Replacing consecutive whitespace with one whitespace character

Question

I want to replace two or more occurrences of whitespace with just one whitespace character using JavaScript (this code is going to sit inside a chrome extension).

davin · Accepted Answer · 2011-10-04 16:57:10Z

4

" this is tooo spaced ".replace(/\s+/g, " ");

returns

" this is tooo spaced "

answered Oct 4, 2011 at 16:57

davin

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1 Comment

user1385191 Over a year ago

This matches one or more. The OP was looking for "more than one". /\s{2,}/g would make more sense (though yours still works).

deviousdodo · Accepted Answer · 2011-10-04 17:05:56Z

3

You can do both at once with:

"str str\t\t\tstr".replace(/(\s)+/g, "$1");

answered Oct 4, 2011 at 17:05

deviousdodo

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3 Comments

Davide Over a year ago

Didn't know that \s matched \t as well. Impressive!

Max Over a year ago

@Davide how would I go about replacing tabs with space now? do I do an other loop?

deviousdodo Over a year ago

If you want all white space characters replaced by a space, you should simply use what davin wrote. I added my example because I thought you wanted multiple tabs to be replaced by a tab, multiple spaces by a space, etc.

Davide · Accepted Answer · 2011-10-04 17:03:45Z

For spaces:

'test with spaces'.replace( /\s+/g, ' ' );

For tabs:

'test\t\t\twith\t\t\ttabs'.replace( /\t+/g, '\t' );

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