regular expression javascript or jquery

Question

I have the following types of query string. It could be anyone of the below.

index.html?cr=33&m=prod&p=ded

index.html?cr=33&m=prod&p=ded&c=ddl&h=33&mj=ori

From the above query string, i wanted to extract only m & p "m=prod&p=ded". Otherway to do is split and get, that i have already done it. But I wanted to achieve it using regular expression.

Any help is highly appreciated.

possible duplicate of How can I get query string values in JavaScript? — Barmar
– Barmar, Commented Jan 16, 2014 at 7:09
Why use regular expressions for this? Seems overkill for such a simple task. Especially given that you can't reuse the code anywhere else... — CodingIntrigue
– CodingIntrigue, Commented Jan 16, 2014 at 7:21

Community · Accepted Answer · 2017-05-23 12:13:23Z

2

You can use something like this :

(?<=&)m=[^& ]*\&p=[^& ]*

In javascript , It doesn't support ?<= positive Lookbehind.

So you can use the following code ( in javascript ):

var s="index.html?cr=33&m=prod&p=ded"
s.match(/m=[^& ]*\&p=[^& ]*/g)

Refer Regexp101

edited May 23, 2017 at 12:13

CommunityBot

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answered Jan 16, 2014 at 7:13

Sujith PS

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Comments

anubhava · Accepted Answer · 2014-01-16 07:10:20Z

0

If both query parameters come one after another then you you can use:

url.match(/[?&]m=([^&]*)&p=([^&]*)/i);

answered Jan 16, 2014 at 7:10

anubhava

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