抓取后台给的接口文档网页上的属性及相关说明

正则匹配，字段名称和字段说明

NSString *regExpString1  = @"<tr><td class="confluenceTd">.*?</td><td class="confluenceTd">.*?</td></tr>";

    NSString *regExpString2 = @"<tr><td colspan="1" class="confluenceTd">.*?</td><td colspan="1" class="confluenceTd">.*?</td></tr>";

完全代码

__block NSString *htmlStr = [NSString stringWithContentsOfFile:@"/Users/mac/Desktop/查看源.htm" encoding:NSUTF8StringEncoding error:NULL];
    NSString *regExpString1  = @"<tr><td class="confluenceTd">.*?</td><td class="confluenceTd">.*?</td></tr>";

    NSString *regExpString2 = @"<tr><td colspan="1" class="confluenceTd">.*?</td><td colspan="1" class="confluenceTd">.*?</td></tr>";
    
    NSArray<NSString *> *regExpStrings = @[regExpString1, regExpString2];
    NSMutableDictionary *dict = @{}.mutableCopy;
    [regExpStrings enumerateObjectsUsingBlock:^(NSString * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
        
        NSRegularExpression *regular = [NSRegularExpression regularExpressionWithPattern:obj
                                                                                 options:NSRegularExpressionCaseInsensitive
                                                                                   error:nil];
        // 对str字符串进行匹配
        NSArray *matches = [regular matchesInString:htmlStr
                                            options:0
                                              range:NSMakeRange(0, htmlStr.length)];
        // 遍历匹配后的每一条记录
        for (NSTextCheckingResult *match in matches) {
            NSRange range = [match range];
            NSString *mStr = [htmlStr substringWithRange:range];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"<tr><td class="confluenceTd">" withString:@""];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"</td></tr>" withString:@""];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"<pre><span style="color: rgb(106,135,89);">" withString:@""];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"<br /></span></pre>" withString:@""];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"</span></pre>" withString:@""];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"<span style="color: rgb(106,135,89);">" withString:@""];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"</span>" withString:@""];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"&gt;" withString:@">"];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"<span style="color: rgb(0,0,0);">" withString:@""];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"<tr><td colspan="1" class="confluenceTd">" withString:@""];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"<br />" withString:@""];
            mStr = [mStr stringByReplacingOccurrencesOfString:@"<span style="color: rgb(128,128,128);">" withString:@""];
            NSArray *arr = nil;
            if ([obj isEqualToString:regExpString2]) {
                
                arr = [mStr componentsSeparatedByString:@"</td><td colspan="1" class="confluenceTd">"];

            } else if ([obj isEqualToString:regExpString1]) {
                arr = [mStr componentsSeparatedByString:@"</td><td class="confluenceTd">"];
            }
            dict[arr.firstObject] = arr[1];
        }
        
    }];
    [dict writeToFile:@"/Users/mac/Desktop/查看源.plist" atomically:YES];

自动生成Plist到桌面，或者你再改成自己的类似这种的需求

///  字段描述或者字段说明
@property (strong, nonatomic) 字段类型 *字符名称;

晚上10:31更新；利用正则查找，正则替换

- (void)analysisString:(NSString *)inputString {
    
    
    NSString *regExpString2 = @"<tr><td.*?class="confluenceTd">.*?</td><td.*?class="confluenceTd">.*?</td></tr>";
   
    __block NSMutableDictionary *dict = @{}.mutableCopy;
    [self analysisString:inputString findString:regExpString2 matchBlock:^(NSString *str) {
        __block NSString *mStr = str.mutableCopy;
        
        NSDictionary *replaceDict = @{@"<tr><td.*?class="confluenceTd">":@"",
                                      @"</td><td.*?class="confluenceTd">":@"]][[",};
        [replaceDict enumerateKeysAndObjectsUsingBlock:^(NSString * _Nonnull key, NSString * _Nonnull value, BOOL * _Nonnull stop) {
            mStr = [self replace:key withStr:value inString:mStr];
        }];
        NSArray *arr = [mStr componentsSeparatedByString:@"]][["];
        dict[arr.firstObject] = arr[1];
    }];
    
    NSLog(@"----%@---", dict);
    

}
#pragma mark - private
/**
 正则查找

 @param inputString 操作的string
 @param regExpString 正则string
 @param matchBlock 每匹配到一个的时候要操作的代码块
 */
- (void)analysisString:(NSString *)inputString findString:(NSString *)regExpString matchBlock:(void (^)(NSString *))matchBlock {
    __block NSString *htmlStr = inputString.mutableCopy;
    NSRegularExpression *regular =
    [NSRegularExpression regularExpressionWithPattern:regExpString
                                              options:NSRegularExpressionCaseInsensitive
                                                error:nil];
    NSArray *matches = [regular matchesInString:htmlStr
                                        options:0
                                          range:NSMakeRange(0, htmlStr.length)];
    for (NSTextCheckingResult *match in matches) {
        NSRange range = [match range];
        NSString *mStr = [htmlStr substringWithRange:range];
        mStr = [mStr stringByReplacingOccurrencesOfString:@"</td></tr>" withString:@""];
        if (matchBlock) {
            matchBlock(mStr);
        }
    }

}

/**
 正则替换
 
 @param regExpString 正则string
 @param destString 替换成的string
 @param orginString 操作的string
 @return 处理后的string
 */
- (NSString *)replace:(NSString *)regExpString withStr:(NSString *)destString inString:(NSString *)orginString {
    // 创建 NSRegularExpression 对象,匹配 正则表达式
    NSString *mStr = orginString.mutableCopy;
    NSRegularExpression *regExp = [[NSRegularExpression alloc] initWithPattern:regExpString
                                                                       options:NSRegularExpressionCaseInsensitive
                                                                         error:nil];
    // 替换匹配的字符串为 searchStr
    mStr = [regExp stringByReplacingMatchesInString:mStr
                                            options:NSMatchingReportProgress
                                              range:NSMakeRange(0, mStr.length)
                                       withTemplate:destString];
    return mStr;
    
}