Regular Expression is not working in JavaScript

Question

I have a problem with a regular expression, I tested that in some websites and it is working but when I use that regular expression in the project it is not matching with the correct result. the regular expression is the following

^(http|https)\://(www\.)[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(:[a-zA-Z0-9]*)?/?([a-zA-Z0-9\-\._\?\,\'/\\\+&amp;%\$#\=~])*$

I need that kind of regular expression because I need validate something like that:

http://www.test.com
https://www.test.com/login

the code that I am using is the following

var pattern = new RegExp(URL_REGEXP);
if (pattern.test($('input.editValueText').val()))

possible duplicate of Detect URLs in text with JavaScript

pdw
– pdw

2014-07-21 16:44:46 +00:00
Commented Jul 21, 2014 at 16:44 — pdw
– pdw, Commented Jul 21, 2014 at 16:44
regex101.com/r/oM6yW8/1 <-- shows your problem.

mechalynx
– mechalynx

2014-07-21 16:54:12 +00:00
Commented Jul 21, 2014 at 16:54 — mechalynx
– mechalynx, Commented Jul 21, 2014 at 16:54

Avinash Raj · Accepted Answer · 2014-07-21 16:45:12Z

2

You forget to add + after the last character class. Your regex would be,

^(http|https):\/\/(www\.)[a-zA-Z0-9-.]+\.[a-zA-Z]{2,3}(:[a-zA-Z0-9])?\/?([a-zA-Z0-9-._\?\,\'\/\+&%\$#\=~]+)*$

DEMO

answered Jul 21, 2014 at 16:45

Avinash Raj

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1 Comment

rjimenez Over a year ago

it is the answer, thanks bro. I spent more than 1 hour searching what is wrong. Thanks a lot for your answer

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