How can I validate an email address in JavaScript?
Sep 5, 2008 · Keep in mind that one should not rely on JavaScript validation alone, as JavaScript can be easily disabled by the client. Furthermore, it is important to validate on the server side. …
Check whether a string matches a regex in JS - Stack Overflow
I want to use JavaScript (I can also use jQuery) to do check whether a string matches the regex ^([a-z0-9]{5,})$, and get a true or false result. match() seems to check whether part of a string …
RegEx for Javascript to allow only alphanumeric - Stack Overflow
The function uses the javascript string replace function with the second parameter (following the regular expression) is a null string ('') to replace those characters that are not alphanumeric …
regex - How do you access the matched groups in a JavaScript …
The m0 argument represents the full matched substring {0}, {1}, etc. m1 represents the first matching group, i.e. the part enclosed in brackets in the regex which is 0 for the first match.
regex - JavaScript: String.indexOf (...) allowing regular-expressions ...
In javascript, is there an equivalent of String.indexOf(...) that takes a regular expression instead of a string for the first parameter, while still allowing a second parameter ? I need to do some...
How can I concatenate regex literals in JavaScript?
Jan 26, 2017 · How can I concatenate regex literals in JavaScript? Asked 17 years, 1 month ago Modified 2 years, 3 months ago Viewed 142k times
Javascript split regex question - Stack Overflow
hello I am trying what I thought would be a rather easy regex in Javascript but is giving me lots of trouble. I want the ability to split a date via javascript splitting either by a '-','.','/' an...
javascript - What is a good regular expression to match a URL?
Sep 28, 2010 · John Gruber's Liberal, Accurate Regex Pattern for Matching URLs is also good. See this SO question for how to modify it to work in Javascript.
How do I replace all occurrences of a string? - Stack Overflow
Basically, this question is the same as the question here: Replace " ' " with " '' " in JavaScript Regexp isn't the only way to replace multiple occurrences of a substring, far from it. Think …
Javascript Regex: How to put a variable inside a regular expression ...
50 To build a regular expression from a variable in JavaScript, you'll need to use the RegExp constructor with a string parameter.