I've looked at the other post similar to my question, Password check- Python 3, except my question involves checking if the password contains both uppercase and lower case questions.My code is the following, but when executed it fails to recognize that both lower and upper case letters are in the password, it only recognizes one type.There is a total of six pages in this free printable pdf. The first three feature all the letters in uppercase. Children will simply need to match the lowercase letters. The next three pages, however, are mix and match of upper and lowercase letters to keep things interesting and engaging. Pick the ones that suit your child’s skills best at ...name, UPPER(name) BINARY name <> BINARY UPPER(name) This solved for me, just wanted to check if there was ANY upper case letter in my column values. Replaced the UPPER in the answer for LOWER. To explain why this works, String comparisons in MySQL are case insensitive. Capitalized Letter is a simple and functional online tool with which you can easily convert or go from UPPERCASE to lowercase simply by entering the phrase or text to convert selected from your options. Capitalization Rules for Kids | Learn the capitalization rules in a fun interactive video for kids. Watch on. Uppercase letters are easier for new writers to print, as they contain more straight lines than do lowercase cursive letters; Once your child begins to consistently recognize the shape and sound associated with each of the 26 uppercase letters, it is typically at this point that the corresponding lowercase letters are taught. Ways to Practice ...Matching Lowercase and Uppercase Letters Games. Matching, sorting, picking, and decoding – these skills are vital to kids and these skills can easily be taught when they are a part of everyday learning. Letter matching games online will make your child adept at identifying and sorting letters in both cases. Personalized Learning.Because that's uppercase, it will be converted to lowercase on line 3 and then you'll go back up to line 1 for the next character. If you start with z, the if on line 2 will send you directly to line 5 where it will be converted to uppercase. Anything that's neither upper nor lowercase will fail both if statements and therefore remain untouched.Basic usage. Convert to uppercase: str.upper() Convert to lowercase: str.lower() Capitalize string: str.capitalize() Convert to title case: str.title() Swap uppercase and lowercase letters: str.swapcase() Check uppercase and lowercase characters. Characters without case distinction.Upper case letters are known as capital letters. They are used to start a sentence or as proper nouns, for example in names (Janet), places (Edinburgh) and objects (Scott Monument). Lower case letters are all the other letters that don't start a sentence and they're not proper nouns, for example glass, bus, pencil.Examples from our community. 10,000+ results for 'uppercase letter and lowercase'. Uppercase And Lowercase Letter Sort Group sort. by Mrosenblatt. K. Uppercase / Lowercase 1 Match up. by Teachingtk. K English Letter ID. Letter Naming Uppercase and Lowercase Spin the wheel.The regex you're looking for is ^[A-Za-z.\s_-]+$ ^ asserts that the regular expression must match at the beginning of the subject [] is a character class - any character that matches inside this expression is allowed A-Z allows a range of uppercase characters; a-z allows a range of lowercase characters. matches a period rather than a range of …I've looked at the other post similar to my question, Password check- Python 3, except my question involves checking if the password contains both uppercase and lower case questions.My code is the following, but when executed it fails to recognize that both lower and upper case letters are in the password, it only recognizes one type.My English teacher taught that as with any first letter of the first word of any sentence, "I" too is capitalized, and its contraction "I'll" the same. However, inside the sentence lower-case is acceptable. EX: (A) "I'll see you at 6pm." (B) "John, while you're getting the BBQ ready, i'll go for a jog in the park."The domain name in an email address is not case-sensitive, meaning it doesn't matter whether you use upper or lower case letters. The same applies to usernames, although outdated email servers can misinterpret capitalization in rare cases. For simplicity's sake, the best practice is to use only lower-case letters in a username. …Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the companyI want to add a space between a lowercase and uppercase in one string. For example: FruityLoops FirstRepeat Now I want to add a space between the lowercase and uppercase letters. I don't know how I should start in JavaScript. Something with substr or search? Can somebody can help me?Uppercase and lowercase letters in an outline font. FREE; Tall, Short, Long Letters. 4.91 out of 5. A lowercase alphabet set with tall, short, and hanging letters colour coded by height. FREE; Bold Alphabet. 4.88 out of 5. This set of alphabet flashcards includes the uppercase letters A to Z in a bright orange, bold, fun font.@Lekensteyn: You are of course right, my point is that many languages has letters outside the a-z range, and the use of localeCompare breaks sorting in them all. This is something that programmers from English speaking countries (almost) always forgets. Being from one of the countries with letters outside the a-z range, i am used to this …Convert Lowercase Letters to Uppercase in C Language. 0. How do I convert just a single character in a string to an uppercase letter? Hot Network Questions What is the difference between 2,6-di-tert-butyl-4-methylphenol and 3,5-di-tert-butyl-4-methylphenol 1H NMR spectra? Five of the letters are "vowels": a e i o u The remaining twenty-one letters are "consonants". We can write each letter as a "large letter" (capital) or "small letter". This operation effectively converts uppercase letters to lowercase in ASCII, as the difference between the ASCII values of uppercase and lowercase letters is 32 in decimal or 00100000 in binary. Note that this approach assumes that the characters in the string are encoded in ASCII, which may not be the case for all character encodings.These clear and handy Alphabet Upper and Lowercase Handwriting Letter Formation Display Posters are the perfect display tool for your classroom to support children with their letter formation. These posters, if laminated, would be ideal for getting children to practice each letter (in both its uppercase and lowercase form) next to the printed letter on the …Regex is incorrect, it should be "[A-Z]" for ASCII letter or \p{Lu} for Unicode uppercase letters; You're not calling while (matcher.find()) before matcher.groupCount() ... Match only Upper and Lowercase letters with Regex. 0. Regex to check if string contains only one uppercase.There is a total of six pages in this free printable pdf. The first three feature all the letters in uppercase. Children will simply need to match the lowercase letters. The next three pages, however, are mix and match of upper and lowercase letters to keep things interesting and engaging. Pick the ones that suit your child’s skills best at ...Alphabet knowledge is the ability to recognize and name uppercase and lowercase letters, recognize letter symbols in print, and know that there are sounds associated with each letter. Alphabet knowledge is a key …INSTRUCTION. Display a group of 5 letters on the whiteboard, including three uppercase letters and two lowercase letters. Ask students to find and circle the three uppercase letters in the group. Model the process of finding and circling the letters as a class, and provide an example solution, such as the solution in the example given.Learn the 26 letters of the English alphabet, their uppercase and lowercase forms, pronunciation, and names. See also the history and variations of the English alphabet, …Melissa & Doug 52 Wooden Alphabet Magnets in a Box - Uppercase and Lowercase Letters - ABC Learning Toys, Chunky Magnetic Letters For Toddlers And Kids Ages 3+, 7.8 x 5.45 x 1.85 . Visit the Melissa & Doug Store. 4.6 out of 5 stars 5,691. 1K+ bought in past month.I've looked at the other post similar to my question, Password check- Python 3, except my question involves checking if the password contains both uppercase and lower case questions.My code is the following, but when executed it fails to recognize that both lower and upper case letters are in the password, it only recognizes one type. Learning Uppercase & Lowercase Letters. Lowercase letters tend to be harder for preschoolers to identify as well as match up with their uppercase counterparts. Here are 9 alphabet activities to help preschoolers distinguish between upper and lower case letters. Melissa & Doug 52 Wooden Alphabet Magnets in a Box - Uppercase and Lowercase Letters - ABC Learning Toys, Chunky Magnetic Letters For Toddlers And Kids Ages 3+, 7.8 x 5.45 x 1.85 . Visit the Melissa & Doug Store. 4.6 out of 5 stars 5,691. 1K+ bought in past month.To check if a character is lower case, use the islower method of str. This simple imperative program prints all the lowercase letters in your string: for c in s: if c.islower(): print c. Note that in Python 3 you should use print(c) instead of print c. Possibly ending up with assigning those letters to a different variable.INSTRUCTION. Display a group of 5 letters on the whiteboard, including three uppercase letters and two lowercase letters. Ask students to find and circle the three uppercase letters in the group. Model the process of finding and circling the letters as a class, and provide an example solution, such as the solution in the example given.The number of 12-character passwords with a combination of uppercase and lowercase letters is 390,686,148,572,926,840,000. To find this result: Calculate the number of possible characters. In this case, since there are 26 letters, we have 26 + 26 = 52 characters. Compute the 12 th power of the number of characters:Use our Match Upper and Lowercase Letters Activity! Our Match Upper and Lowercase Letters Activity is designed to help young learners practice their letter recognition skills while strengthening their association between each letter and a word that starts with it.With its fun and friendly design, our Upper Case Lower Case Matching Activity makes …The meaning of UPPERCASE is capital. How to use uppercase in a sentence.Uppercase letters, also called capital letters, are used to start sentences and as the initial letter of a proper noun. Uppercase letters are larger than their lowercase … This fun and engaging worksheet is a fantastic way to teach children all about upper case and lower case letters. The activity features a cute train with a letter of the alphabet on each carriage. Children should match the upper case and lower case letters by drawing a line that connects the two carriages. Show more. Lower case letters are the shorter and smaller versions of upper case letters (also called capital letters ). Some lower case letters look completely different from their upper case counterparts, however. For example, 'a' is the lower case version of 'A' and 'w' is the lower case version of 'W'. Here are all the lower case letters in the ... These simple PDF alphabet charts help your students learn their ABCs with alphabet pictures and letter stroke guides for uppercase and lowercase letters. Our Phonetic Alphabet Chart is helpful for students who are learning to recognize letters as well as identify beginning letter sounds as they feature consonant, short vowel, and long vowel sounds. I've been Googling a lot and I didn't find an answer for my question: How can I check with a regular expression whether a string contains at least one of each of these: Uppercase letter Lowercaselowercase Remove uppercase letters from the text. Turns all letters in the text into lowercase letters. It even accepts text with special characters (eg * or #) where they will be preserved. Capitalized Case Converts the first letter of each word to uppercase and leaves the others as lowercase. It even accepts text with special characters (eg ...Uppercase and lowercase characters use different character codes. So, if you use just lowercase cases in your switch, you will be testing just one type of cases. You should either improve your switch statement tests, as other exemplified, or convert your choice character to lowercase. This way making sure you are providing the expected case for your switch …The regex you're looking for is ^[A-Za-z.\s_-]+$ ^ asserts that the regular expression must match at the beginning of the subject [] is a character class - any character that matches inside this expression is allowed A-Z allows a range of uppercase characters; a-z allows a range of lowercase characters. matches a period rather than a range of …This letter chart is perfect for teaching your children how to recognise the letters of the alphabet. It’s a wonderful resource that can be used at school, nursery or at home. You can help them to understand the differences and relationships between the uppercase and lowercase letters. This is a great way to improve their literacy skills. A letter chart can …Password must contain one digit from 1 to 9, one lowercase letter, one uppercase letter, one underscore, no space and it must be 8-16 characters long. Usage of any other special character other than underscore is optional.This free educational game is a fun way for students to practice the alphabet. Players choose between uppercase or lowercase letters, as well as letter names or sounds. After each bingo, kids unlock a new Bingo Bug for their collection.You are reading line by line, not by char, so you read it as a whole string through read, plus it's better to group all your for loops into one, this way:. data = infile.read() for character in data: if character in uppercase: uppercase_count += 1 elif character in lowercase: lowercase_count += 1 elif character in digits: digits_count += 1 elif character …Step 3: APPLY and ASSESS. Students take the Easy Quiz or Hard Quiz, demonstrating what they learned about the topic while applying essential literacy skills. Step 4: DEEPEN and EXTEND. Students express what they learned about capital and lowercase while practicing essential literacy skills with one or more of the following activities. The capital letters and other symbols were usually kept in the case that required a slightly farther reach. This is how the large letters became known as “uppercase”. Prior to the printing press (1450s), lowercase letters were called minuscule and uppercase letters were called majuscule. Today, the term “caps” is commonly used to ... Eleven uppercase letters contain diagonal lines in contrast to seven lowercase ones. Overall, while some aspects may favor uppercase letters, such as starting points, others, like the infrequent need for pencil lifts, may tip the scale in favor of lowercase letters. Considering these factors, it becomes apparent that the ease of …These self-checking upper and lowercase alphabet puzzle are such a fun resource for parents, teachers, and homeschoolers. Children will match the uppercase and lower case letters; the puzzles are self checking. If the picture in the middle is completed with the match, it is correct. THis is a great alphabet printables for toddlers, preschoolers ... Small letters are sometimes called "lower case" and large letters "upper case". This is because in the old days of printing, before computers, the metal blocks for setting type were kept in two different boxes or "cases": small letters in the bottom or lower case, large letters in the top or upper case. There are not only uppercase and lowercase letters, but also numbers and punctuation symbols, because we know every detail counts when it comes to your crafts. There's no limit to what you can create with our printable alphabet letter templates. They're great tools for crafts, kids' activities, educational materials, and so much more.Jul 3, 2019 · The first word of every sentence is always capitalized. This is pretty self-explanatory and universally understood. Capitalize the beginning of a sentence when it is part of a quote: The teacher said, "Your use of uppercase letters is improving." If a phrase fits into the larger sentence, it does not require capitalization: Jul 3, 2019 · The first word of every sentence is always capitalized. This is pretty self-explanatory and universally understood. Capitalize the beginning of a sentence when it is part of a quote: The teacher said, "Your use of uppercase letters is improving." If a phrase fits into the larger sentence, it does not require capitalization: Basics: Alphabet Knowledge. Alphabet knowledge is the ability to recognize and name uppercase and lowercase letters, recognize letter symbols in print, and know that there are sounds associated with each letter. … Learning Uppercase & Lowercase Letters. Lowercase letters tend to be harder for preschoolers to identify as well as match up with their uppercase counterparts. Here are 9 alphabet activities to help preschoolers distinguish between upper and lower case letters. Feb 27, 2015 · Learn the history and purpose of uppercase and lowercase letters in the English alphabet and other writing systems. Find out how they evolved from majuscule and miniscule forms and how to use them correctly. There are not only uppercase and lowercase letters, but also numbers and punctuation symbols, because we know every detail counts when it comes to your crafts. There's no limit to what you can create with our printable alphabet letter templates. They're great tools for crafts, kids' activities, educational materials, and so much more.This fun and engaging worksheet is a fantastic way to teach children all about upper case and lower case letters. The activity features a cute train with a letter of the alphabet on each carriage. Children should match the upper case and lower case letters by drawing a line that connects the two carriages. Show more.Is there an option to convert a string such that the first letter is uppercase and everythingelse is lower case....like below..i know there are upper and lower for converting to uppercase and lowercase.... string.upper() //for uppercase string.lower() //for lowercase string.lower() //for lowercase INPUT:-italic,ITALIC OUTPUT:-ItalicKids can practice the proper letter formation and stroke order for both uppercase and lowercase letters! The printable letter worksheets are perfect for a review on writing the alphabet. Plus, these freebies will give your students confidence and independence in writing all 26 letters of the alphabet. Practicing the right way to form letters ...I've been Googling a lot and I didn't find an answer for my question: How can I check with a regular expression whether a string contains at least one of each of these: Uppercase letter LowercaseJan 8, 2024 · Key takeaways. Letter case matters – Capital letters and lowercase letters serve different roles, and children need to know when and where to use each kind. Uppercase signals importance – Typically, capital letters signal important parts of the sentence, whether that be the beginning of the sentence or specific people or places. Uppercase definition: (of an alphabetic character) capital. See examples of UPPERCASE used in a sentence.Write a Python function that accepts a string and calculate the number of upper case letters and lower case letters. Sample String : 'Hello Mr. Rogers, how are you this fine Tuesday?' Expected Output : No. of Upper case characters : 4 No. of Lower case Characters : 33. Ok, so we have a clear definition of our problem.With letters in this random case application, the qualities of random generation apply and standard rules of the use of uppercase and lowercase do not apply. Some writing systems make no distinction between uppercase and lowercase letters but the random case utility could be effective here also for certain applications. Capitalization in English. The capital letter "A" in the Latin alphabet followed by its lower case equivalent. Capitalization or capitalisation in English grammar is the use of a capital letter at the start of a word. English usage varies from capitalization in other languages . The capital letters and other symbols were usually kept in the case that required a slightly farther reach. This is how the large letters became known as “uppercase”. Prior to the printing press (1450s), lowercase letters were called minuscule and uppercase letters were called majuscule. Today, the term “caps” is commonly used to ... Back in the day, when monks meticulously crafted books by hand, the idea of 'case' took a literal meaning, with uppercase letters stored in the upper case and lowercase in the lower. The Roles They Play. The cases have their unique roles: lowercase for flow and readability, uppercase for signaling and respect. There are not only uppercase and lowercase letters, but also numbers and punctuation symbols, because we know every detail counts when it comes to your crafts. There's no limit to what you can create with our printable alphabet letter templates. They're great tools for crafts, kids' activities, educational materials, and so much more.Cursive Letters Chart. This simple cursive letter chart features the beginning letter sounds of each vowel and consonant alongside a smaller version of both the uppercase and lowercase letters. This is a great reference chart for younger students who are beginning to recognize cursive letters as the pictures serve as a prompting clue to the letter.Aug 24, 2023 · Count uppercase, lowercase letters, and spaces. Given a string, the task is to write a Python Program to count a number of uppercase letters, lowercase letters, and spaces in a string and toggle case the given string (convert lowercase to uppercase and vice versa). We check if the letter has uppercase and lowercase variants because digits and punctuation characters do not. index.js. Copied! const str = '4'; // 👇️️ true console. log (str. toLowerCase === str. toUpperCase ()); If we know that the letter is uppercase and it's not equal to its lowercase variant, then we have an uppercase letter. Upper and lower case letters can look similar (O and o) or quite different (D and d). In these kindergarten worksheets, students match upper case to lower case letters. Instant recognition of the different case forms of each letter is an important early reading skill. Show how one is the uppercase and one is the lowercase by pointing to the written form of the letter or writing it as you say it. Ask students to practice saying the name of the letter at least ... Uppercase and lowercase letters in an outline font. FREE; Tall, Short, Long Letters. 4.91 out of 5. A lowercase alphabet set with tall, short, and hanging letters colour coded by height. FREE; Bold Alphabet. 4.88 out of 5. This set of alphabet flashcards includes the uppercase letters A to Z in a bright orange, bold, fun font. Five of the letters are "vowels": a e i o u The remaining twenty-one letters are "consonants". We can write each letter as a "large letter" (capital) or "small letter". lowercase Remove uppercase letters from the text. Turns all letters in the text into lowercase letters. It even accepts text with special characters (eg * or #) where they will be preserved. Capitalized Case Converts the first letter of each word to uppercase and leaves the others as lowercase. It even accepts text with special characters (eg ...Uppercase letters, also called capital letters, are used to start sentences and as the initial letter of a proper noun. Uppercase letters are larger than their lowercase …10,000+ results for 'uppercase and lowercase'. Uppercase And Lowercase Letter Sort Group sort. by Mrosenblatt. K. Matching uppercase and lowercase letters Balloon pop. by Kaandes. Uppercase-Lowercase Alphabet Match Balloon pop. by Mhickerson. K … Matching Lowercase and Uppercase Letters Games. Matching, sorting, picking, and decoding – these skills are vital to kids and these skills can easily be taught when they are a part of everyday learning. Letter matching games online will make your child adept at identifying and sorting letters in both cases. Personalized Learning. Uppercase signals importance – Typically, capital letters signal important parts of the sentence, whether that be the beginning of the sentence or specific people …Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the company Small letters are sometimes called "lower case" and large letters "upper case". This is because in the old days of printing, before computers, the metal blocks for setting type were kept in two different boxes or "cases": small letters in the bottom or lower case, large letters in the top or upper case. Uppercase signals importance – Typically, capital letters signal important parts of the sentence, whether that be the beginning of the sentence or specific people … Learning Uppercase & Lowercase Letters. Lowercase letters tend to be harder for preschoolers to identify as well as match up with their uppercase counterparts. Here are 9 alphabet activities to help preschoolers distinguish between upper and lower case letters.
What is alphabet matching? Alphabet matching is an early literacy activity designed to help young learners recognize the uppercase and lowercase letters of the alphabet. The …. Lexico
Upper lower case letter matching printable. Kids will have fun practicing matching upper and lowercase letters with this flower activity for preschoolers. This spring activity for preschoolersis perfect for preschool, pre-k, and kindergarten age children as part of a flower theme for workign on letter recognition of uppercase and lowercase letters. Expert Tips & Info. This worksheet is appropriate for children in preschool, Kindergarten, and 1st Grade who are learning or have learned to recognize both capital and lowercase letters.; For long-term use, laminate the worksheet and letters. You can then use velcro dots placed above each lowercase letter and on the back of each …Researchers have proposed many sets of letter features as important for letter identification, but no such sets have yet been derived directly from empirical data. In the study reported here, we applied the Bubbles technique to reveal directly which areas at five different spatial scales are efficient for the identification of lowercase and uppercase … In cell B2, type =PROPER (A2), then press Enter. This formula converts the name in cell A2 from uppercase to proper case. To convert the text to lowercase, type =LOWER (A2) instead. Use =UPPER (A2) in cases where you need to convert text to uppercase, replacing A2 with the appropriate cell reference. Now, fill down the formula in the new column. A-Z Uppercase Lowercase Letter Tracing Worksheets. Learning the ABC and practice writing the alphabet is among the very first things that kids spend a lot of time with teachers and parents exploring, teaching and learning together. At this very early age, learning should be experienced through playing, practicing and repeating to make the …Simply, select the tab that corresponds to the text conversion you would like, enter your text in the "Pascal Case Text" input and press the "convert" button. Visit the online Pascal Case Converter tool. Quickly change word case with this online case converter. Convert text to: upper, lower, title, alternate, kebab, pascal, camel & snake case.Convert Case is a web tool that lets you change between upper case and lower case letters, as well as other formats such as sentence case, title case, capitalized case, and …Nov 21, 2015 · Upper and lower case letters are on display in this short.Letter case (or just case) is the distinction between the letters that are in larger upper case (al... These simple PDF alphabet charts help your students learn their ABCs with alphabet pictures and letter stroke guides for uppercase and lowercase letters. Our Phonetic Alphabet Chart is helpful for students who are learning to recognize letters as well as identify beginning letter sounds as they feature consonant, short vowel, and long vowel sounds. Capitalize one letter at a time. To change the capitalization one letter at a time, press and hold either the left or right Shift, then press the letter you want to be capitalized. Using the Shift key is the most common method of creating a capital letter on a computer. Changing between lowercase and uppercase on a smartphone or tabletThis free, printable alphabet matching activity prompts children to match the upper-case letter to the lowercase to combine two halves of an image to make a full one. This is a great resource to support teaching on letter recognition to test children to see if they can identify the uppercase and lowercase versions of every letter in the alphabet. Why not …lowercase Remove uppercase letters from the text. Turns all letters in the text into lowercase letters. It even accepts text with special characters (eg * or #) where they will be preserved. Capitalized Case Converts the first letter of each word to uppercase and leaves the others as lowercase. It even accepts text with special characters (eg ...Apr 4, 2022 · Printers could easily grab the minuscule letters from a lower case and the majuscule ones from an upper case. It still took a few centuries for the phrases "lowercase" and "uppercase" to make their way to English — the first record of those terms being used comes from the 18th century — but today, the phrase has moved out of printers ... Uppercase to Lowercase Matching: This activity involves matching uppercase letters to their corresponding lowercase counterparts. For example, matching “A” to “a.” Puzzles and Games: Alphabet puzzles with pieces that fit together, memory card games, or interactive computer games can be used to make alphabet matching more engaging.Because that's uppercase, it will be converted to lowercase on line 3 and then you'll go back up to line 1 for the next character. If you start with z, the if on line 2 will send you directly to line 5 where it will be converted to uppercase. Anything that's neither upper nor lowercase will fail both if statements and therefore remain untouched.One string operation we every so often do is turn all characters into upper- or lowercase. C# has several options for that. Let’s find out. Four ways to upper- or lowercase C# string When we uppercase a string, its characters are converted into capital letters. And when we lowercase, those characters are turned into regular letters.This photo alphabet word mat gives real life visuals for each letter of the alphabet - a bright and colourful resource, simply laminate to use again and again! Sign in to leave a review. Hi I have used the editable version to use the school's handwriting scheme on. I love the real pictures, I will be using it in the classroom for children to ...With letters in this random case application, the qualities of random generation apply and standard rules of the use of uppercase and lowercase do not apply. Some writing systems make no distinction between uppercase and lowercase letters but the random case utility could be effective here also for certain applications.Convert your text to upper case and to lower case online The easiest and fastest way to convert your text letters. Here you will be able to make it uppercase, lowercase, capital first letter of the sentence, invert the case, switch between uppercase and lowercase, leave every word with the first letter capital or even join words with the first letter …As a rule, each lowercase character corresponds to an uppercase (capital) one, and two parallel sets of letters with the same names are used simultaneously in the letter. History of occurrence. The concept of "upper" (capital) and "lower" (lowercase) cases arose in the 19th century with the advent of typewriters..