js-regex | chainable API for constructing RegExps | Regex library
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kandi X-RAY | js-regex Summary
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Trending Discussions on js-regex
I’m struggling with this simple regex that is not working correctly in Safari:...
ANSWERAnswered 2021-Jun-10 at 14:40
You can use an alternation capture until the first occurrence of the question mark. Use that group again in the replacement to leave it unmodified.
In the second part of the alternation, match a questionmark to be replaced.
Because of lack of browser support, I need to change 2 lookbehind RegExp to something else.
I have these 2 patterns which includes a lookbehind:
matches the pattern '(anything not a ')': (ie. 'abcdef':) if it is not at the beginning of the string or preceded by a ,...
ANSWERAnswered 2021-May-11 at 16:46
(? asserts not the start of the string or a
, directly to the left. So there should be a char to the left other than
You can write that using a capture group matching what comes before what you want to match to replace, and use the group in the replacement to keep it.
Note that you don't have to escape the
I have the following regex set up to accept words and some special characters:...
ANSWERAnswered 2021-May-10 at 12:50
You can simply add those characters to the class you already have in your regex:
I'm trying to make a script that I use in Chrome work for safari. It uses a lookbehind regex to skip a page, but Safari doesn't support that. It recognises the amazon ASIN and puts together a link.
This is the original code I found somewhere on the web;...
ANSWERAnswered 2021-Apr-26 at 12:30
This is what I meant in my comment above:
I have implemented this regex for matching a string for validation purposes:
I'm using it in JS using
match() function like this:
ANSWERAnswered 2021-Mar-16 at 15:11
I doubt there is a way with a single regex with no lookbehind or conditionals support thus I suggest the following approach combining regex and additional programming logic:
when contenteditible=true and using highlight.js
I'm using highlight.js to automatically highlight code in a
ANSWERAnswered 2020-Aug-08 at 04:53
How about this?
I am trying to parse txt files with js + regex and my problem is as follows:
I have multiple txt files, and inside each one I need to search for an Id, made by 6 characters (numb + letters)
this is the string inside one of those files:...
ANSWERAnswered 2020-May-21 at 17:44
To extract the sequence of symbols, you need to put it in parenthesis. This pattern is called a "capturing group". Read more
I'm trying to match the following markdown text for emphasis:...
ANSWERAnswered 2020-Apr-22 at 09:31
You may use either of
I'm attempting to validate a Bootstrap 4.4 form field. I don't just want to verify that this field is populated, I also want to verify that it's populated with a URL. This can be an internal URL, a hostname or an IP address, however it should be entered as http://XXXXXX or https://XXXXXX, and must not be just XXXXX.com. My current code (last section of this post) does not validate the form correctly.
Here's the html form that I'm starting with:...
ANSWERAnswered 2020-Apr-08 at 12:08
I have a
string.replace() function that uses a regex lookbehind.
ANSWERAnswered 2020-Feb-20 at 17:25
It's not difficult to create such a test:
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