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How to write (A or B or C) followed by X in JavaScript regex?


How to write (A or B or C) followed by X in JavaScript regex?

By : Muhammad Nauman
Date : November 28 2020, 11:01 PM
Hope that helps I would like to match a string on the format: ,
code :
 // => ["XYZ 1234.10", "XYZ"] would like it to be ["XYZ 1234.10"]
var regex = /^(?:XYZ|ABC|QST) \d+\.\d\d$/;
// ------------^^
console.log(regex.exec("XYZ 1234.10"));


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How to write this Regex in javascript?

How to write this Regex in javascript?


By : jayella
Date : March 29 2020, 07:55 AM
should help you out Depending on the string you can be really lazy and simply match on /maxSize\[(\d+)\]/
code :
> /maxSize\[(\d+)\]/.exec('validate[required,maxSize[255],foo]')[1]
'255'
> /validate\[[^\]]*maxSize\[(\d+)\].*\]/.exec(
    'validate[required,maxSize[255],foo,bar]')[1]
'255'
How to write this javascript regex?

How to write this javascript regex?


By : Wang Han
Date : March 29 2020, 07:55 AM
I wish this helpful for you I am trying to run a regex check using javascript to be sure that the string follows the pattern: , Here it is:
code :
^[0-9]{4}-[0-9]{2}-[0-9]{2}$
Javascript regex: is there anyway to write a regex which gives true if backreference is NOT matched

Javascript regex: is there anyway to write a regex which gives true if backreference is NOT matched


By : Arvin
Date : March 29 2020, 07:55 AM
wish helps you so here is my problem: I'm checking an input of 2 years with a hyphen. Like: , You can use a negative lookahead to achieve this:
code :
^([0-9]{4})-(?!\1)[0-9]{4}$
how to write a regex for a given string -Regex Javascript

how to write a regex for a given string -Regex Javascript


By : Ovadia Ariela
Date : March 29 2020, 07:55 AM
will help you This will work: (?<=tags\.tag)\.(\w+):"(\w+)"
Replace that pattern with :($1:"$2")
Javascript : How to write (*) in New regex

Javascript : How to write (*) in New regex


By : DonBoy
Date : March 29 2020, 07:55 AM
wish of those help Write it like \\(\\*\\).
Working backward from the desired result:
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