From b50067e39eff167a8e30accdcfd17c288d5d170b Mon Sep 17 00:00:00 2001
From: Ross Boucher <ross@280north.com>
Date: Mon, 27 Jul 2009 22:41:47 -0700
Subject: [PATCH] Add a trim function to CPString.

---
 Foundation/CPString.j | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Foundation/CPString.j b/Foundation/CPString.j
index 9f3cb1930..a12dd2236 100644
--- a/Foundation/CPString.j
+++ b/Foundation/CPString.j
@@ -62,7 +62,8 @@ var CPStringRegexSpecialCharacters = [
       '/', '.', '*', '+', '?', '|', '$', '^',
       '(', ')', '[', ']', '{', '}', '\\'
     ],
-    CPStringRegexEscapeExpression = new RegExp("(\\" + CPStringRegexSpecialCharacters.join("|\\") + ")", 'g');
+    CPStringRegexEscapeExpression = new RegExp("(\\" + CPStringRegexSpecialCharacters.join("|\\") + ")", 'g'),
+    CPStringRegexTrimWhitespace = new RegExp("(^\\s+|\\s+$)", 'g');
 
 /*! 
     @class CPString
@@ -421,6 +422,13 @@ var CPStringRegexSpecialCharacters = [
 	return '' + substring(0, range.location) + replacement + substring(range.location + range.length, self.length);
 }
 
+/*!
+    Returns a new string with leading and trailing whitespace trimmed
+*/
+- (CPString)stringByTrimmingWhitespace
+{
+    return self.replace(CPStringRegexTrimWhitespace, "");
+}
 
 // Identifying and comparing strings