// Inspired by lodash.escaperegexp
const reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
const reHasRegExpChar = RegExp(reRegExpChar.source);

function escapeRegExp(string: string): string {
  return (string && reHasRegExpChar.test(string))
    ? string.replace(reRegExpChar, '\\$&')
    : string || '';
}

export {
  escapeRegExp,
};