text: //
  //  NSString+Regex.h
  //  Additions
  //
  //  Created by Sumeru Chatterjee on 5/18/11.
  
  
  #import <Foundation/Foundation.h>
  
  
  @interface  NSString (Regex)
  - (BOOL)isPureNumber;
  
  -(NSString*) firstURLinString;
  -(NSString*) firstStringWithPattern:(NSString*)pattern;
  -(BOOL) matchesPattern:(NSString*)pattern;
  
  - (BOOL)wechatAlipayAccountCheck;
  @end
  