Javascript Regex inside matched string

Question

I have string like this

<html>
    [[Wayfinder? &amp;startId=`0` &amp;outerClass=`art-hmenu` ]] &amp;
    &amp; 
</html>

I want to change all & that inside of [[ and ]] will be replaced by &

How to do that with javascript?

Joseph Silber · Accepted Answer · 2012-09-02 17:29:18Z

5

str.replace(/\[\[(.*)?]]/, function(match) {
    return match.replace(/&amp;/g, '&');
});

Here's the fiddle: http://jsfiddle.net/Jtv5a/

edited Sep 2, 2012 at 17:29

answered Sep 2, 2012 at 17:23

Joseph Silber

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2 Comments

qwertymk Over a year ago

Better: Change /\[\[(.*)?\]\]/ to /\[\[(.{4})?\]\]/

Joseph Silber Over a year ago

@qwertymk - I don't really see how that's any better. All it'll do is prevent the second regex from running if the text inside is less than 4 characters long. Not really that much of a benefit.

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