Replacing all plus symbols in JavaScript String

Question

I want to replace all + symbols in a JavaScript String with a space. Based on this thread Fastest method to replace all instances of a character in a string and this thread How to replace all dots in a string using JavaScript I do:

soql = soql.replace(/+/g, " ");

But that gives:

SyntaxError: invalid quantifier

Any ideas how I do it?

Mostly likely you are trying to parse some search parameters that came from the URL?? in that case the correct answer is stackoverflow.com/a/57018898/1812732 — John Henckel
– John Henckel, Commented Aug 19, 2020 at 18:55

Explosion Pills · Accepted Answer · 2013-05-10 15:26:13Z

You need to escape the + since it is a special character in regex meaning "one or more of the previous character." There is no previous character in /+/, so the regex does not compile.

soql = soql.replace(/\+/g, " "); //or soql = soql.replace(/[+]/g, " ");

It might be beneficial to use /\++/g which should help performance a little

gpojd · Accepted Answer · 2013-05-10 15:36:04Z

Try escaping the +:

soql = soql.replace(/\+/g, " ");

The + in a regular expression actually means "one or more of the previous expression (or group)". Escaping it tells that you want a literal plus sign ("+").

More information on quantifiers is available if you google it. You might also want to look into the Mastering Regular Expressions book.

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