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Regular Expression Not Working In Javascript


The returned array holds all that were found. For example, a 'b' without a preceding '\' generally matches lowercase 'b's wherever they occur. output.push("---------- After Split by Regular Expression"); var i, len; for (i = 0, len = nameList.length; i < len; i++){ output.push(nameList[i]); bySurnameList[i] = nameList[i].replace(pattern, "$2, $1"); } // Display the new i Case-insensitive search. have a peek here

This is called a negated lookahead. Browse other questions tagged javascript regex or ask your own question. Your regex seems to be fine. –Kash Mar 19 '12 at 20:17 add a comment| 7 Answers 7 active oldest votes up vote 5 down vote accepted What exactly seems to The topological duals of spaces of finite measures Ultrasonic Sensors and Pets Storing passwords in access-restricted Google spreadsheets?

Regex Not Working Java

Examples The following examples show some uses of regular expressions. For example, /^A/ does not match the 'A' in "an A", but does match the 'A' in "An E". When we call the match() method without a global regular expression, it returns an array that contains the full match as the first index and each captured group within a subsequent For example, assume you have this script: var myRe = /d(b+)d/g; var myArray = myRe.exec("cdbbdbsbz"); console.log("The value of lastIndex is " + myRe.lastIndex); // "The value of lastIndex is 5" However,

Is total distance walked specific to a single Pokémon, or to a species of Pokémon? Advanced searching with flags Regular expressions have four optional flags that allow for global and case insensitive searching. For example, /e?le?/ matches the 'el' in "angel" and the 'le' in "angle" and also the 'l' in "oslo". Regex Not Word This matches a position where the previous and next character are of the same type: Either both must be words, or both must be non-words.

Content is available under these licenses. Email Address SubscribeDonationsSearch Search Site © 2016 TrentRichardson.comWebsite By TRHomeAbout MePortfolioTrent Richardsonhttp://trentrichardson.comWeb DeveloperUS The regex object will need to be recreated each time name is updated –cfs Sep 6 '13 at 12:59 add a comment| up vote 1 down vote There are two ways If you want even more power check out XRegExp which provides an entire library building on the weaknesses of javascript's native implementation.Related posts:Advanced Media Queries for Mobile Devices Effective Example of

Impossible Mentoring Task Using a barrel jack with higher than rated current but lower voltage? Javascript Regular Expression Match Tweet This Fascinating post by @BenNadel - Using Regular Expressions In Javascript (A General Overview) Thanks my man — you rock the party that rocks the body! You just have to use exec. Like I said before, regular expressions are awesome and I just wanted to get a better handle on the full breadth of their usage in Javascript.

Regex Not Working C#

Not the answer you're looking for? Equivalent to [^ \f\n\r\t\v\u00a0\u1680\u180e\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]. Regex Not Working Java Browse other questions tagged javascript regex or ask your own question. Javascript Regex Test Not Working In the following example, the script uses the exec method to find a match in a string.

When we run the above code, we get the following output:Hey Joanna, how's it going?As you can see, the single instance of Tricia was replaced with Joanna.While the value of the Do GUI based application execute shell commands in the background? javascript regex share|improve this question edited Sep 7 '13 at 21:20 Marc Audet 27.7k93358 asked Sep 6 '13 at 11:58 Octavian Epure 3561925 what is this referring here? –Sachin Visual indicator when a float is too tall What specifically did Hillary Clinton say or do, to seem untrustworthy to Americans? Regex Not Working Python

GO OUT AND VOTE Does this series involving sine converge or diverge? Join them; it only takes a minute: Sign up Javascript RegEx Not Working up vote 9 down vote favorite 2 I have the following javascript code: function checkLegalYear() { var val Can Newton's laws of motion be proved (mathematically or analytically) or are they just axioms? Check This Out GitHub | Twitter | LinkedIn | Google+ | Facebook Trent Richardsonpractical web design & developmentGithubTwitterRSS5 Must Know Javascript Regex TipsBy trent on 13 Jul in JavascriptYou won't make it too long

Did I cheat? Js Regexp Even with that, though, I still prefer the RegExp() object. If you're seeing behavior that makes you think your regex does something different, then the problem is probably with the surrounding code. (Perhaps you're misunderstanding what the match method does?) –ruakh

In the replacement part of a regex the syntax $1, $2, $n must be used, e.g.: 'bar foo'.replace( /(...) (...)/, '$2 $1' ).  $& means the whole matched string. (?:x) Matches

How to find the maximal number of elements of an array? For example, /bo*/ matches 'boooo' in "A ghost booooed" and 'b' in "A bird warbled", but nothing in "A goat grunted". + Matches the preceding expression 1 or more times. What should I do about this security issue? New Regexp Not the answer you're looking for?

Results of regular expression execution. I also rock out in JavaScript and ColdFusion 24x7 and I dream about promise resolving asynchronously. The problem is that the formatting of var regex is incorrect. And, when we run this code, we get the following output:10-1As you can see, the pattern "are", was matched at index 10 while the pattern "fun", was not matched at all.Javascript

Equivalent to {0,1}. Equivalent to [0-9]. These patterns are used with the exec and test methods of RegExp, and with the match, replace, search, and split methods of String. But my regex expression isn't that.