Remove ALL white spaces from text

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You have to tell replace() to repeat the regex:

.replace(/ /g,'')

The g character makes it a “global” match, meaning it repeats the search through the entire string. Read about this, and other RegEx modifiers available in JavaScript here.

If you want to match all whitespace, and not just the literal space character, use \s instead:

.replace(/\s/g,'')

You can also use .replaceAll if you’re using a sufficiently recent version of JavaScript, but there’s not really any reason to for your specific use case, since catching all whitespace requires a regex, and when using a regex with .replaceAll, it must be global, so you just end up with extra typing:

.replaceAll(/\s/g,'')

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