ios 正则表达式帅选

正则表达式获取标签内容

    NSString *zz = @".*<record_config([^>].*?)/>.*";
//    NSString *string2 = @"PHA+YXNkPC9wPjxyZWNvcmRfY29uZmlnDQp0cmlnZ2VyX21vZGU9IjAiIHJlY29yZGluZ19tb2RlPSIwIiBlbmFibGVfb3NkPSIwIiBtdXhhdWRpbz0iMSINCm5ldGRpc2tfYmFpZHVfZW5hYmxlPSIxMDc5OTk4NDE2IiBuZXRkaXNrX2JhaWR1X3Rva2VuPSIxCSIgLz4NCjxsc2gyNjRlbmNfY29uZmlnIGJpdHNyYXRlPSIxIiByZXNvbHV0aW9uPSIyIiBtdXhhdWRpbz0iMCIgLz4=";
//    NSString *ss1 =[[NSString alloc] initWithData:[Base64 decode:string2] encoding:NSUTF8StringEncoding];
//    NSLog(@"ss1 = %@",ss1);
    
    NSString *qqq = @"<p>asd</p><record_config trigger_mode=\"0\" recording_mode=\"0\" enable_osd=\"0\" muxaudio=\"9\" netdisk_baidu_enable=\"1079998416\" netdisk_baidu_token=\"1\" /><lsh264enc_config bitsrate=\"1\" resolution=\"2\" muxaudio=\"0\" />";
    
    NSError *error;
    
    //http+:[^\\s]* 这个表达式是检测一个网址的。
    NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:zz options:0 error:&error];
    
    if (regex != nil) {
        NSTextCheckingResult *firstMatch=[regex firstMatchInString:qqq options:0 range:NSMakeRange(0, [qqq length])];
        if (firstMatch) {
            NSRange resultRange = [firstMatch rangeAtIndex:1];
            
            //从urlString当中截取数据
            NSString *result=[qqq substringWithRange:resultRange];
            //输出结果
            NSLog(@"哈哈哈 = %@",result);
        }
        
    }