From 9ef6bb5743d70a2ec117535d981c4b9748a293de Mon Sep 17 00:00:00 2001
From: Andrey Taritsyn <taritsyn@gmail.com>
Date: Wed, 15 Oct 2014 21:46:07 +0400
Subject: [PATCH] Simplify regular expressions in compile.js

---
 src/ng/compile.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/ng/compile.js b/src/ng/compile.js
index 912b45bb9854..92de577764b6 100644
--- a/src/ng/compile.js
+++ b/src/ng/compile.js
@@ -680,8 +680,8 @@ $CompileProvider.$inject = ['$provide', '$$sanitizeUriProvider'];
 function $CompileProvider($provide, $$sanitizeUriProvider) {
   var hasDirectives = {},
       Suffix = 'Directive',
-      COMMENT_DIRECTIVE_REGEXP = /^\s*directive\:\s*([\d\w_\-]+)\s+(.*)$/,
-      CLASS_DIRECTIVE_REGEXP = /(([\d\w_\-]+)(?:\:([^;]+))?;?)/,
+      COMMENT_DIRECTIVE_REGEXP = /^\s*directive\:\s*([\w\-]+)\s+(.*)$/,
+      CLASS_DIRECTIVE_REGEXP = /(([\w\-]+)(?:\:([^;]+))?;?)/,
       ALL_OR_NOTHING_ATTRS = makeMap('ngSrc,ngSrcset,src,srcset'),
       REQUIRE_PREFIX_REGEXP = /^(?:(\^\^?)?(\?)?(\^\^?)?)?/;
 
@@ -2434,7 +2434,7 @@ function $CompileProvider($provide, $$sanitizeUriProvider) {
   }];
 }
 
-var PREFIX_REGEXP = /^(x[\:\-_]|data[\:\-_])/i;
+var PREFIX_REGEXP = /^((?:x|data)[\:\-_])/i;
 /**
  * Converts all accepted directives format into proper directive name.
  * All of these will become 'myDirective':