vendors/tempy.js/toRegex
    var toRegex = (start, end, options) => {
      if (Array.isArray(start)) {
        let wrap = options.wrap === true;
        let prefix = options.capture ? "" : "?:";
        return wrap ? `(${prefix}${start.join("|")})` : start.join("|");
      }
      return toRegexRange(start, end, options);
    };