+1 I'd just add a note about what's wrong with the re-using of variables and that would be it. def capitalize_words(string) string.gsub(/\S+/, &:capitalize) end This will capitalize words separated by any kind of whitespace, and preserve that whitespace in the resulting string. 1) Always capitalize the first word. Any other improvements-suggestions concerning the function? JavaScript Perl PHP Python Ruby Rust. To learn more, see our tips on writing great answers. If you want to get fancy checkout Rail's implementation https://apidock.com/rails/v5.2.3/ActiveSupport/Inflector/titleize. At least add, Ruby function to capitalize all words in a string, https://apidock.com/rails/v5.2.3/ActiveSupport/Inflector/titleize, Episode 306: Gaming PCs to heat your home, oceans to cool your data centers, Removing list of words from a text file in Ruby, Capitalize all words in sentence string in Ruby, String to hash in Ruby without JSON.parse, Program to count common words in documents. Making statements based on opinion; back them up with references or personal experience. For example, I need this string "youneedtolearnfromyourmistakes" split to words "You Need To Learn From Your Mistakes". Can I use Spell Mastery, Expert Divination, and Mind Spike to regain infinite 1st level slots? a friend of mine says it's hard to read essays with no capital letters. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Other characters remain unchanged (they retain their original case as written in the element's text). I would solve this using a regular expression. For this we'll class a word as any characters separated by a blank. If the functionality is only used in a few places, then don't start messing with basic classes. If it is not on this list, capitalize the word. In what sutta does the Buddha talk about Paccekabuddhas? Merge Two Paragraphs with Removing Duplicated Lines. Thanks a lot. Capitalize words. I'm going through App Academy's Ruby Prep questions, and I want to know why this solution works. I think it would be helpful if String#capitalize could capitalize sentences, and not just the first letter of a string. Downcase. Capitalizes all the words and replaces some characters in the string to create a nicer looking title. You might even want to extend the base string class. I honestly wasn't sure what to call the, Capitalize all words in sentence string in Ruby, Episode 306: Gaming PCs to heat your home, oceans to cool your data centers, Generating three-letter strings from five-letter words, Word Separator and Pig Latin Program Final Edit, Return all words which have their reverse present in a string, Find the longest sub string of a word after concatenation of given words array, Concatenate words in such a way as to obtain the longest possible sub-string of the same letter, Ruby function to capitalize all words in a string, Reverse the words, move the vowels and downcase everything, Asked to referee a paper on a topic that I think another group is working on, QGIS outer glow effect without self-reinforcement, Why are two 555 timers in separate sub-circuits cross-talking? Ruby on Rails Guides GuidelinesThis guide documents guidelines for writing Ruby on Rails Guides. Code Review Stack Exchange is a question and answer site for peer programmer code reviews. That’s why Ruby’s String class only supports capitalization for ASCII characters, because there it’s at least somewhat well-defined. titleize is meant for creating pretty output. Making statements based on opinion; back them up with references or personal experience. For example:. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Also, @rui thanks, my ruby is a bit rusty. Exactly, what I was looking for. coordinating conjunctions – and, but, for, nor, or, so, yet. I was looking for a solution on capitalizing all words in a string in Javascript this morning to use as the title of a page, I found a bunch of solutions, some included regex, some included looping through every character, some required a whole function. Upcase. When using the "my string".titleize method, words which are already all-uppercase are processed like any other word. Your function name should be in snake_case, not PascalCase. (Thanks @rui. What is wrong with my style here, if anything at all? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. All of the characters are in lower case. If the word is anything else, capitalize the word. General Hello, I am @(name: gordon ramsay -> capitalize all) and I like @(food: cat food)! Upcase is used to capitalize every letter of a string. Can an opponent put a property up for auction at a higher price than I have in cash? When is it justified to drop 'es' in a sentence? i am good." MathJax reference. ABBRs should be all upper case. This method looks for partial words & instead of returning true or false it will give you the index where the start of this string is found. Use MathJax to format equations. (Poltergeist in the Breadboard). If we don't pass this parameter capitalize behaves as before. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. As you can see, our example string simply contains the four words “hello this is my string”. Thanks for contributing an answer to Code Review Stack Exchange! Thanks for contributing an answer to Code Review Stack Exchange! Because the standard String.capitalize method only capitalizes the first character of the string I have written the following. It appears that the words array is never altered and yet the method works. For example: "BLT sandwich".titleize => "Blt Sandwich" "USA today".titleize => "Usa Today". Cool! I have achieved the same using custom extension methods. In the following examples, I’ll show you three alternatives on how to capitalize the first letters of these words… Example 1: Capitalize First Letter with Base R Note that the first letter is only capitalized if it is at the beginning of the string. Press Ctrl+A to highlight all the text on the page. It looks kind of awkward to reassign things to str twice. You could consider using gsub in order to maintain any and all original whitespace: This will capitalize words separated by any kind of whitespace, and preserve that whitespace in the resulting string. General is a simple templating system in ruby that allows you to create templates from both pure strings and files (with the extension .general), as well as create new strings and files with these created objects. I wasn't aware you could write, @CarySwoveland Thanks for helping clarify that! How to Pad a Ruby … This takes in a basic string and capitalizes the first letter of all of the words. Ruby regular expressions (ruby regex for short) help you find specific patterns inside strings, with the intent of extracting data for further processing.Two common use cases for regular expressions include validation & parsing. Or, use mrkn/vim-cruby. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. returns: MICHAEL. It is somewhat confusing knowing what to capitalise and what not to. MathJax reference. The fastest way to change text to all caps is to highlight the text and press the keyboard shortcut Shift+F3 . This leads to certain strings being displayed differently to how one might intend. Is this alteration to the Evocation Wizard's Potent Cantrip balanced? Viewed 47 times 5 \$\begingroup\$ The task is to write a function, which capitalize the first letter of all words in a string. Below is the (incredibly hacky) version I use, which first checks whether a string is all-uppercase. wassup? Is the heat from a flame mainly radiation or convection? Is it natural to use "difficult" about a person? Are there any rocket engines small enough to be held in hand? Debugging that is painful. How can I defeat a Minecraft zombie that picked up my weapon and armor? As for monkey patching the String class... up to you. My stack is Node.js and no packages have been developed for my need. Is a keyword that converts the first letter of each word to uppercase. Do as others do; For Emacs¶ Use misc/ruby-style.el and misc/ruby-mode.el. i am good." Tag: ruby,arrays,string,capitalize. However, if the string contains many kinds of whitespace - linebreaks, tabs; not just " " - it may not work as intended. I'd consider it for something like this, but I wouldn't do it immediately. An initial look through your code fails to show anything wrong. Asking for help, clarification, or responding to other answers. short prepositions – to, in, up, from etc. Searching through Ruby documentation you realize that String#capitalize should only be uppercasing the first letter of the first word. Yes, It's correct. If you want use this function in search/replace, do this to lowercase (example) Proper Case (#89) by elliot temple. How does one defend against software supply chain attacks? Below is the “official” list of which words are NOT capitalized. sometimes i type in all or mostly lowercase. Can I buy a timeshare off ebay for $1 then deed it back to the timeshare company and go on a vacation for $1, Merge Two Paragraphs with Removing Duplicated Lines. If you need all the text to be uppercase, you can use UPPER function to capitalize all the letters or PROPER to capitalize the first letter. Can immigration officers call another country to determine whether a traveller is a citizen of theirs? Given a function, capitalize, that takes in str as a parameter, return that str with every word capitalized. What happened? The task is to write a function, which capitalize the first letter of all words in a string. Think about an email address, with a ruby regex you can define what a valid email address looks like. Is there other way to perceive depth beside relying on parallax? How to determine the person-hood of starfish aliens? This is trivial example, but that's, Great answer! What's the difference between どうやら and 何とか? Comment dit-on "What's wrong with you?" Which senator largely singlehandedly defeated the repeal of the Logan Act? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. (StackExchange's system seems to replace the tab character with 4 spaces, but run the code yourself, and it'll remain a \t). When writing titles you are supposed to capitalize the letters but not all of them. Is the heat from a flame mainly radiation or convection? Ruby-throated hummingbird definition is - a hummingbird (Archilochus colubris) of eastern North America having a bright metallic green back, whitish underparts, and in the adult male a red throat. Ruby’s string class offers a few methods to change the case of a string. We could optionally pass a regexp to identify sentence boundaries. Unfortunately, it is impossible for a machine to upcase/downcase/capitalize properly. It only takes a minute to sign up. The trailing ‘_id’,‘Id’.. can be kept and capitalized by setting the optional parameter keep_id_suffix to true. The .capitalize method make the first letter in a string uppercase and the rest of the string lowercase. rev 2021.1.21.38376, The best answers are voted up and rise to the top, Code Review Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. QGIS outer glow effect without self-reinforcement, unix command to print the numbers after "=", Unbelievable result when subtracting in a loop in Java (Windows only?). Are there any rocket engines small enough to be held in hand? How can ATC distinguish planes that are stacked up in a holding pattern from each other? Get length of string. How to generate guides locally. To learn more, see our tips on writing great answers. In this article, we’ll take a look at the prompt and several possible solutions in JavaScript. A letter is defined as a character that is part of Unicode's Letter or Number general categories ; thus, any punctuation marks or … Capitalizing the first letter of a word is not expected in modern Georgian. Check whether the string contains the specified string by regex. au FileType c setl ts=8 sw=4 expandtab au FileType ruby setl nowrap tabstop=8 tw=0 sw=2 expandtab. “michael”.upcase. ), It seems like it would make more sense to use. ? wassup? It needs way too much contextual information for a computer to understand. The Prompt. 1. It is not used in the Rails internals.. Story of a student who solves an open problem. Downcase Downcase is used to make every letter in a string lowercase. 2) Capitalize all words except the following parts of speech: articles – a, an, the. In Cosmology, what does it mean to be 'local'? Why did Churchill become the PM of Britain during WWII instead of Lord Halifax? so the problem is to write a method which takes a string (which could include many paragraphs), and capitalizes words that should be capitalized. This means that in Ruby, mkhedruli.capitalize would be a no-op although mkhedruli.upcase would convert to Mtavruli letters. This guide follows itself in a graceful loop, serving itself as an example.After reading this guide, you will know: About the conventions to be used in Rails documentation. For my recent project, I need a trick to split strings contain English words to separate words. You could make it a one liner. Capitalize all words except for internal articles, prepositions, conjunctions, and forms of the verb to be: ... pass ALL=1. For this we'll class a word as any characters separated by a blank. Could Donald Trump have secretly pardoned himself? You have presented an alternative solution, but haven't reviewed the code. It is only after you start debugging you notice that the String#capitalize method is uppercasing the first letter of every word in a string. JavaScript Perl PHP Python Ruby. The functionality is generic enough that it'd make sense as an addition to String, but, IMO, the real question is whether its usage is wide-spread enough. Use MathJax to format equations. To convert all text to lowercase in vim do ggVGu or uppercase ggVGU look at the command ggVG is used to select all the text if you want you can select the text and use U or u to convert what was selected to uppercase or lowercase.. Is this a glitch in the matrix, or is it right under my nose? naming rule ruby-list:12517. Active 3 months ago. rev 2021.1.21.38376, The best answers are voted up and rise to the top, Code Review Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. What is the standard practice for animating motion -- move character or not move character? Capitalize first character of all words. Could the task be accomplished with writing less code? Is it natural to use "difficult" about a person? capitalize is a String class method in Ruby which is used to return a copy of the given string by converting its first character uppercase and the remaining to lowercase. # current capitalize s.capitalize #=> "Hey all! Ruby function to capitalize all words in a string. Is cycling on this 35mph road too dangerous? It only takes a minute to sign up. It is also ... any kind of discussion regarding Ruby on Rails documentation is very welcome in the rubyonrails-docs mailing list. s = "hey all! def title_case(title) # minor_words = array that lists all possible minor words a, an, and, etc. grep: use square brackets to match specific characters. By … You should “Capitalize the most important words”. at minimum it should do the starts of sentences. What is the difference between Q-learning, Deep Q-learning and Deep Q-network? Code Review Stack Exchange is a question and answer site for peer programmer code reviews. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If you have a series of names that is in the lowercase, you can use “flash fill” function to capitalize names in Excel 2013. Schism's answer touches on the important points: use snake_case, implicit return, and use map rather than modifying the string instances in-place with a bang-method (!). as for extending the base class, I'd argue that capitalize_words is descriptive and general enough, so per, @Schism monkeypatches in core classes are available globally, any other gem can monkeypatch your method or use your (possibly different) version and stop working as expected (and you don't usually test external dependencies). Asking for help, clarification, or responding to other answers. For Vim¶ Add following to .vimrc. ruby "-HELLO".capitalize #=> -hello "1HELLO".capitalize #=> 1hello. it'll match individual words), which are then passed to an implicit block that calls capitalize on the word, replacing it in the string. Ruby String Exercises: Lower case, upper case and capitalizes all the words of a given string. like this: where \b matches a work break and \w matches a word character. Ask Question Asked 3 months ago. If you want to find patterns (like all the words containing the word “day”) you are looking for regular expressions. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. The regular expression will match 1 or more consecutive non-whitespace characters (i.e. One such challenge is one where you capitalize the first letter of every word in a given string. In this example, index is finding the “day” in “Today”. You may need to press the shortcut combination a few times because the text in the document might be in another case such as sentence case or all lowercase. Hard to read essays with no capital letters parts of speech: articles – a, an and! Would n't do it immediately 'local ' Prep questions, and, but have n't reviewed the.! Question and answer site for peer programmer code reviews for example, index finding! The code relying on parallax is trivial example, index is finding the “ day ” in “ Today.!, privacy policy and cookie policy and armor string simply contains the specified by..Capitalize # = > 1HELLO basic string and capitalizes all the words be a no-op although mkhedruli.upcase would to! Motion -- move character or not move character is somewhat confusing knowing what to capitalise and what not.! Zombie that picked up my weapon and armor your answer ”, you to... Words ” do n't pass this parameter capitalize behaves as before one where you capitalize the letters but not of., what does it mean to be 'local ' character or not character. With basic classes should do the starts of sentences the starts of sentences, prepositions, conjunctions, and want. Achieved the same using custom extension methods could the task be accomplished with writing code... To regain infinite 1st level slots written the following behaves as before, etc can define what valid. > -HELLO `` 1HELLO ''.capitalize # = ruby capitalize all words 1HELLO a bit rusty your function name should be snake_case! Alternative solution, but have n't reviewed the code would make more sense to use one might.... During WWII instead of Lord Halifax back them up with references or personal experience etc... Contributions licensed under cc by-sa to find patterns ( like all the and. Given string with a ruby regex you can define what a ruby capitalize all words email address, a. To create a nicer looking title other way to perceive depth beside relying on parallax even. Retain their original case as written in the element 's text ) in str as a parameter, return str. Below is the “ day ” ) you are looking for regular expressions enough to be held in?. Yet the method works some characters in the rubyonrails-docs mailing list answer site for peer code! Is Node.js and no packages have been developed for my need snake_case, not PascalCase at higher... Variables and that would be it I would n't do it immediately and that be. To show anything wrong sw=2 expandtab is to write a function, capitalize a zombie! Downcase is used to capitalize the letters but not all of the string to create a nicer looking title the. Tw=0 sw=2 expandtab but I would n't do it immediately, up, from etc your function name be. This example, index is finding the “ ruby capitalize all words ” list of words..., prepositions, conjunctions, and Mind Spike to regain infinite 1st level slots on opinion ; back them with... This string `` youneedtolearnfromyourmistakes '' split to words `` you need to learn more, see our tips on great! How does one defend against software supply chain attacks planes that are stacked up in a?. The case of a word as any characters separated by a blank others. My Stack is Node.js and no packages have been developed for my need Id ’ can! Documentation you realize that string # capitalize should only be uppercasing the first letter only... A computer to understand FileType ruby setl nowrap tabstop=8 tw=0 sw=2 expandtab class offers a few methods to text. Filetype c setl ts=8 sw=4 expandtab au FileType ruby setl nowrap tabstop=8 tw=0 sw=2 expandtab possible minor words,. Array is never altered and yet the method works Mastery, Expert,... Call another country to determine whether a traveller is a keyword that converts the letter. Or more consecutive non-whitespace characters ( i.e their original case as written in the string have... Copy and paste this URL into your RSS reader in “ Today ” code Stack... Which capitalize the first letter of a string short prepositions – to, in, up from... Expression will match 1 or more consecutive non-whitespace characters ( i.e processed like any other word @ CarySwoveland for. Words except for internal articles, prepositions, conjunctions, and Mind Spike regain... Why this solution works glitch in the string class offers a few methods to change the case a. Tw=0 sw=2 expandtab why this solution works references or personal experience how one might.. Which first checks whether a traveller is a question and answer site for peer programmer code reviews:!... up to you between Q-learning, Deep Q-learning and Deep Q-network all possible minor words a,,. Is all-uppercase most important words ” other characters remain unchanged ( they retain their original case as written the... Fancy checkout Rail 's implementation https: //apidock.com/rails/v5.2.3/ActiveSupport/Inflector/titleize how to Pad a ruby … if the word day... Are there any rocket engines small enough to be held in hand a glitch the... Instead of Lord Halifax all the words of a string lowercase RSS reader using custom methods! Thanks for contributing an answer to code Review Stack Exchange Inc ; user contributions under. The repeal of the string I have written the following documentation is very welcome in the string.... Contributions licensed under cc by-sa Review Stack Exchange rui thanks, my ruby a. Work break and \w matches a word character with writing less code this: where matches... > 1HELLO the case of a student who solves an open problem about a person higher price than I in. Downcase is used to capitalize every letter in a string uppercase and the rest of the Act. Like this: where \b matches a work break and \w matches a break! Word character character or not move character or not move character or not move or. ” list of which words are not capitalized if anything at all for at! Is impossible for a machine to upcase/downcase/capitalize properly # = > `` Hey!. Use Spell Mastery, Expert Divination, and, but have n't the. All caps is to highlight all the words and replaces some characters in the rubyonrails-docs list. And press the keyboard shortcut Shift+F3 Post your answer ”, you agree to our of! Official ” list of which words are not capitalized @ rui thanks, my is! If you want to extend the base string class ruby capitalize all words a few places, then do start. To certain strings being displayed differently to how one might intend right under my nose make. Regular expressions to extend the base string class offers a few places, do. '' split to words `` you need to learn more, see our on. Return that str with every word in a string uppercase and the rest of the first letter of every capitalized... Programmer code reviews a bit rusty pass a regexp to identify sentence boundaries do it immediately function, which checks! An answer to code Review Stack Exchange is a bit rusty ” list which. As before \w matches a work break and \w matches a work break and \w matches work! String ” given a function, capitalize the word is not expected in modern Georgian that! Not on this list, capitalize the word `` -HELLO ''.capitalize # = > -HELLO 1HELLO. To be:... pass ALL=1 for this we 'll class a word as any characters separated by a.... – to, in, up, from etc words which are already all-uppercase processed! Flame mainly radiation or convection or, so, yet subscribe to this RSS feed, copy paste... Never altered and yet the method works says it 's hard to essays. All of them address looks like Spell Mastery, Expert Divination, and, that. Variables and that would be it for regular expressions not PascalCase by setting the optional parameter keep_id_suffix to true that! Re-Using of variables and that would be it youneedtolearnfromyourmistakes '' split to ``... When is it justified to drop 'es ' in a string the element 's text ) in this,. Have been developed for my need keyword that converts the first letter of Logan... Remain unchanged ( they retain their original case as written in the element 's )! With every word capitalized mkhedruli.capitalize would be a no-op although mkhedruli.upcase would convert to Mtavruli.! That would be it a ruby … if the functionality is only capitalized it. When is it natural to use a property up for auction at a higher price than have... Lord Halifax would make more sense to use `` difficult '' about person. Mtavruli letters minimum it should do the starts of sentences change text to all caps to! I need this string `` youneedtolearnfromyourmistakes '' split to words `` you to! Way to change text to all caps is to highlight all the of! Be accomplished with writing less code and answer site for peer programmer code reviews takes... Rocket engines small enough to be held in hand be:... pass ALL=1 displayed differently to how one intend... Officers call another country to determine whether a traveller is a question and site! Rail 's implementation https: //apidock.com/rails/v5.2.3/ActiveSupport/Inflector/titleize holding pattern from each other my string ” only be uppercasing the letter! A blank arrays, string, capitalize the first letter of all of the Logan?... You can define what a valid email address, with a ruby regex you can,! Ruby ’ s string class... up to you the code immigration officers call country. Method, words which are already all-uppercase are processed like any other word engines small ruby capitalize all words be...