javascript string manipulation

Question

I would like to modify my strings so i can replace the character ' ' with '_' using JS,for example "new zeland"=>"new_zeland" how can i do that?

This question is similar to: How do I replace all occurrences of a string?. If you believe it’s different, please edit the question, make it clear how it’s different and/or how the answers on that question are not helpful for your problem. — dumbass
– dumbass, Commented Jan 31 at 6:40

Rob · Accepted Answer · 2010-06-04 20:55:13Z

7

var str = 'new zealand';
str = str.replace(/\s+/g, '_');

answered Jun 4, 2010 at 20:55

Rob

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1 Comment

widged Over a year ago

+1 for fastest option according to these jsperf benchmarks - jsperf.com/split-join-vs-replace/2

Douwe Maan · Accepted Answer · 2010-06-04 20:58:01Z

1

You could use Rob's code, but it uses a regular expression to find the space, while it would be faster to just search for a literal space:

var string = 'new zealand';
var newString = string.replace(' ', '_');

answered Jun 4, 2010 at 20:58

Douwe Maan

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2 Comments

Felix Kling Over a year ago

If you can be certain that there is always only one space.

Douwe Maan Over a year ago

Well, in new zealand, there is ;) And we don't know what the OP wants. He might want to replace every space by an underscore, so new[3 spaces]zealand would be new___zealand...

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