RegExp.escape(str)

APIs
1

Simply put, it would be nice if the function to escape string literals for use within a regular expression were a polyfillable standard (as described at http://stackoverflow.com/a/3561711/34799).

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2

I have put together a prollyfill for this: https://github.com/jonathantneal/regexp-escape

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3

Apparently this was proposed in es-discuss 5 years ago with some new discussion taking place now: https://esdiscuss.org/topic/regexp-escape

4

Ugh.