Remove Substring in Javascript [duplicate]

Question

In JavaScript, I need to find a substring between &J= and Key using regex and remove it from my url which could contain several substrings.

Here is my url:

SID=18608202881669&Act=432&Mode=1&CLk=T&Key58=6003&dotnetdll=TopCoConfigurator.dll&dotnetfunc=CasingSizeSummary&SID=18608202881669&F=&J=CasingSize/CasingSizeSummary.asp&Key58=6003&ccs_casingsizeid=6003

Thanks

What have you tried so far? SO is not "can someone please write a regex for me". — connexo
– connexo, Commented Aug 11, 2015 at 6:45
You should try this to find all substrings b/w &J= and Key / (?<=\S)&(.*?)(?=Key) /g — Suraj Rajput
– Suraj Rajput, Commented Aug 11, 2015 at 7:26

Imran Subhani · Accepted Answer · 2015-08-11 07:01:14Z

0

You can learn Regular Expression here and code for your problem is: Here you go:

    SID="18608202881669&Act=432&Mode=1&CLk=T&Key58=6003&dotnetdll=TopCoConfigurator.dll&dotnetfunc=CasingSizeSummary&SID=18608202881669&F=&J=CasingSize/CasingSizeSummary.asp&Key58=6003&ccs_casingsizeid=6003";

var re = /&J=(.*?)&Key/;
SID = SID.replace(re, '');
alert(SID);

See Fiddle

answered Aug 11, 2015 at 7:01

Imran Subhani

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