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define(['./isObject'], function(isObject) {
  /** `Object#toString` result references. */  var regexpTag = '[object RegExp]';
  /** Used for built-in method references. */  var objectProto = Object.prototype;
  /**   * Used to resolve the   * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)   * of values.   */  var objectToString = objectProto.toString;
  /**   * The base implementation of `_.isRegExp` without Node.js optimizations.   *   * @private   * @param {*} value The value to check.   * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.   */  function baseIsRegExp(value) {    return isObject(value) && objectToString.call(value) == regexpTag;  }
  return baseIsRegExp;});