/** Escape RegExp special characters. You can also use this to escape a string that is inserted into the middle of a regex, for example, into a character class. @example ``` import escapeStringRegexp = require('escape-string-regexp'); const escapedString = escapeStringRegexp('How much $ for a 🦄?'); //=> 'How much \\$ for a 🦄\\?' new RegExp(escapedString); ``` */ declare const escapeStringRegexp: (string: string) => string; export = escapeStringRegexp;