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urlRecognition

网址URL识别和判断是否是网址URL

整个项目这个方法是关键,在其他地方也可以直接把这个方法加入进去,然后进行网址识别。

/**

  • 网址正则验证
  • @param string 要验证的字符串
  • @return 返回值类型为BOOL */
  • (BOOL)urlValidation:(NSString *)string {

    NSError error; // 正则表达式 NSString regulaStr =@"^(?=^.{3,255}$)(http(s)?://)?(www.)?[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+(:\d+)(/\w+.\w+)([?&]\w+=\w*)*$";

    NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:regulaStr options:NSRegularExpressionCaseInsensitive error:&error]; NSArray *arrayOfAllMatches = [regex matchesInString:string options:0 range:NSMakeRange(0, [string length])];

    for (NSTextCheckingResult *match in arrayOfAllMatches){

      NSString *substringForMatch = [string substringWithRange:match.range];
      
      self.urlStr = substringForMatch;//把网址传出去
      
      return YES;
    

    } return NO; }

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网址URL识别和判断是否是网址URL

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