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Match then Replace



4:10 pm on Jul 18, 2009 (gmt 0)

10+ Year Member

When I do both the match and replace functions, my script stops working. How do I do a match and replace sequentially?

var youtube = 'http://www.youtube.com/watch?v=44xb9nb2P7g';
var youtube = youtube.match(/=(\w{11})/g);
var youtube = youtube.replace(/=/,'');

(In the example I'm trying to get the last 11 characters following the equal sign.)


9:22 am on Jul 19, 2009 (gmt 0)

5+ Year Member

.match() returns either an array of found match/matches or null, so if the returned match is not null, access by index number. Try:

var youtube = 'http://www.youtube.com/watch?v=44xb9nb2P7g';
youtube = youtube.match(/v=(\w+)/);
youtube = (youtube !== null) ? youtube[0].replace(/v=/,'') : null;

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