ACM_Someone like you

//正則法則start
-(NSMutableArray*)match_fun:(NSString *)searchText Regex:(NSString *)regTags
{
    NSMutableArray *arr=[[[NSMutableArray alloc]init]autorelease];
    NSError *error = NULL;
    NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:regTags                                
                                                                           options:NSRegularExpressionCaseInsensitive    // 還可以加一些選項，例如：不區分大小寫
                                  
                                                                             error:&error];
    NSLog(@"正則法則 判斷結果：   %@",error);
    NSArray *matches = [regex matchesInString:searchText
                        
                                      options:0
                        
                                        range:NSMakeRange(0, [searchText length])];
   // NSLog(@"%@",matches);
    // 用下面的辦法來遍歷每一條匹配記錄
    // NSString *re=@"[iI][mM][gG][\s]*[sS][rR][cC][\s]*=[\s'\"]*(?<ref_value>.*?(\.gif|\.jpg|\.png)) ";
    int i=0;
    for (NSTextCheckingResult *match in matches) {
        
        NSRange matchRange = [match range];
        
        NSString *tagString = [searchText substringWithRange:matchRange];  // 整個匹配串

        [arr insertObject:tagString atIndex:i];
        i++;
        //NSLog(@"tagString:     %@",tagString);
    }
    return  arr;
}
//調用：
    NSString *searchText = [showWebView stringByEvaluatingJavaScriptFromString:@"document.documentElement.innerHTML"];
    NSString *regTags = @"src=((.+)('|\.gif|\.jpg|\.png))";//@"<img [^>]*src\\s*=\\s*\"([^>]+)\"";
    NSMutableArray *arr=[[[NSMutableArray alloc]init]autorelease];
    arr=[self match_fun:searchText Regex:regTags];
     NSLog(@"結果 arr :%@",arr);
for(int i=0;i<count;i++)
    {
        NSString *str1=[NSString stringWithFormat:@"%@",[arr objectAtIndex:i]];
        str1= [str1 substringFromIndex:5];
        /////其他操作
    }