How to replace all spaces present in a string with underscore using javascript? [duplicate]

Question

I have a string with spaces separating words. I want to replace all the spaces in the string with underscore. Please tell me any small code for that because my solution is taking too much space. Example : 'Divyanshu Singh Divyanshu Singh' output : 'Divyanshu_singh_Divyanshu_Singh'

yourString.replace(/\s+/g, "_")

Scott Marcus
– Scott Marcus

2018-06-01 12:14:49 +00:00
Commented Jun 1, 2018 at 12:14 — Scott Marcus
– Scott Marcus, Commented Jun 1, 2018 at 12:14

Jagjeet Singh · Accepted Answer · 2018-06-01 12:29:14Z

-3

Try this one:

    var str = "Divyanshu Singh Divyanshu Singh";
    var res = str.replace(/ /g, "_");
    console.log(res);

Use, / /g is a regex (regular expression). The flag g means global and causes all matches to be replaced.

edited Jun 1, 2018 at 12:29

Jagjeet Singh

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answered Jun 1, 2018 at 12:16

mcbrent

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2 Comments

Aniruddha Gohad Over a year ago

will only replace the first match.

Scott Marcus Over a year ago

/ / won't find multiple spaces in a row. It should be: /\s+/g.

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