From 376921a2bd5eecb6ed55d6ccacdc33673b751f3d Mon Sep 17 00:00:00 2001
From: Catouse <catouse@gmail.com>
Date: Sun, 4 May 2014 18:18:56 +0800
Subject: [PATCH]  + added function 'isNum' in the string.js.

---
 src/js/string.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/js/string.js b/src/js/string.js
index 7b35d8d6..be8a715d 100644
--- a/src/js/string.js
+++ b/src/js/string.js
@@ -35,3 +35,22 @@ String.prototype.format = function(args)
     }
     return result;
 };
+
+
+/**
+ * Judge the string is a integer number
+ * 
+ * @access public
+ * @return bool
+ */
+String.prototype.isNum = function(s)
+{
+    if(s!=null)
+    {
+        var r, re;
+        re = /\d*/i;
+        r = s.match(re);
+        return (r == s) ? true : false;
+    }
+    return false;
+}
-- 
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