@aikidosec/firewall/helpers/escapeStringRegexp.js

Zen by Aikido is an embedded Application Firewall that autonomously protects Node.js apps against common and critical attacks, provides rate limiting, detects malicious traffic (including bots), and more.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.escapeStringRegexp = escapeStringRegexp;
/**
 * Escape characters with special meaning either inside or outside character sets.
 *
 * Use a simple backslash escape when it’s always valid, and a `\xnn` escape when the simpler form would be disallowed by Unicode patterns’ stricter grammar.
 *
 * Taken from https://github.com/sindresorhus/escape-string-regexp/
 */
function escapeStringRegexp(string) {
    return string.replace(/[|\\{}()[\]^$+*?.]/g, "\\$&").replace(/-/g, "\\x2d");
}