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 …

JavaScript regular expressions and sub-matches Asked 16 years, 7 months ago Modified 7 months ago Viewed 36k times

Aug 16, 2020 · Javascript RegExp () allows you to specify a multi-line mode (m) which changes the behavior of ^ and $. ^ represents the start of the current line in multi-line mode, otherwise …

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. …

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...

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...

Is there a way to retrieve the (starting) character positions inside a string of the results of a regex match() in Javascript?

Instead, by using matchAll, you get back an iterator which you can use with the more convenient for...of, array spread, or Array.from() constructs This method yields a similar output to …

If you're using JavaScript, which doesn't have a "dotall" option, try [\s\S]*. This means "match any number of characters that are either whitespace or non-whitespace" - effectively "match any …

flags = 'g'; return new RegExp('ReGeX' + input + 'ReGeX', flags); } of course, this is a very naive example. It assumes that input is has been properly escaped for a regular expression. If you're …