text: //
  //  NSString+Trimming.h
  //  Additions
  //
  //  Created by Sumeru Chatterjee on 11/13/11.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface NSString (Trimming)
  - (NSString *)stringByTrimmingTrailingCharactersInSet:(NSCharacterSet *)characterSet;
  - (NSString *)stringByTrimmingLeadingCharactersInSet:(NSCharacterSet *)characterSet;
  @end
  