From f75c9a66248d28b8cd4e879b67b6b685b347fcb6 Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <drosen@microsoft.com>
Date: Thu, 9 Apr 2015 12:52:31 -0700
Subject: [PATCH] Added 'flags' to RegExp.prototype.

---
 src/lib/core.d.ts |  2 +-
 src/lib/es6.d.ts  | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/lib/core.d.ts b/src/lib/core.d.ts
index 3d830ae5203..822b7ca5202 100644
--- a/src/lib/core.d.ts
+++ b/src/lib/core.d.ts
@@ -823,7 +823,7 @@ interface RegExp {
       */
     test(string: string): boolean;
 
-    /** Returns a copy of the text of the regular expression pattern. Read-only. The rgExp argument is a Regular expression object. It can be a variable name or a literal. */
+    /** Returns a copy of the text of the regular expression pattern. Read-only. The regExp argument is a Regular expression object. It can be a variable name or a literal. */
     source: string;
 
     /** Returns a Boolean value indicating the state of the global flag (g) used with a regular expression. Default is false. Read-only. */
diff --git a/src/lib/es6.d.ts b/src/lib/es6.d.ts
index 83ae724b768..2af11c92ab9 100644
--- a/src/lib/es6.d.ts
+++ b/src/lib/es6.d.ts
@@ -624,6 +624,20 @@ interface RegExp {
       */
     split(string: string, limit?: number): string[];
 
+    /**
+      * Returns a string indicating the flags of the regular expression in question. This field is read-only.
+      * The characters in this string are sequenced and concatenated in the following order:
+      *
+      *    - "g" for global
+      *    - "i" for ignoreCase
+      *    - "m" for multiline
+      *    - "u" for unicode
+      *    - "y" for sticky
+      *
+      * If no flags are set, the value is the empty string.
+      */
+    flags: string;
+
     /** 
       * Returns a Boolean value indicating the state of the sticky flag (y) used with a regular 
       * expression. Default is false. Read-only.