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Asked: 2026-05-22T12:12:23+00:00

I’m replacing a bunch of values in a regex with dollar amounts. The problem

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I’m replacing a bunch of values in a regex with dollar amounts. The problem is that in IE, if I attempt to replace with an amount of $0 (or, theoretically, $1—$9), the replace never occurs since the it’s trying to replace a non-existant group:

'foo'.replace(/f/g, '$0');

I want the result of that replacement to be “$0oo”, which it is in Chrome & FF, but not IE9 (haven’t tried other versions of IE).

Chrome & FF have an “issue” with the following, in that I can’t figure out how to replace with a literal $1:

'foo'.replace(/(f)/g, '$1')
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1 Answer

  1. Editorial Team

    Write "$$0" to escape the $ sign.

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