Bump to v4.14.0.

isRegExp.js

@@ -1,17 +1,9 @@
-var isObject = require('./isObject');
+var baseIsRegExp = require('./_baseIsRegExp'),
+    baseUnary = require('./_baseUnary'),
+    nodeUtil = require('./_nodeUtil');
 
-/** `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-262/6.0/#sec-object.prototype.tostring)
- * of values.
- */
-var objectToString = objectProto.toString;
+/* Node.js helper references. */
+var nodeIsRegExp = nodeUtil && nodeUtil.isRegExp;
 
 /**
  * Checks if `value` is classified as a `RegExp` object.
@@ -21,8 +13,7 @@ var objectToString = objectProto.toString;
  * @since 0.1.0
  * @category Lang
  * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
+ * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
  * @example
  *
  * _.isRegExp(/abc/);
@@ -31,8 +22,6 @@ var objectToString = objectProto.toString;
  * _.isRegExp('/abc/');
  * // => false
  */
-function isRegExp(value) {
-  return isObject(value) && objectToString.call(value) == regexpTag;
-}
+var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;
 
 module.exports = isRegExp;