iOS uses regular expressions to remove tag elements from HTML for plain text

iOS uses regular expressions to remove tag elements from HTML for plain text content是根据网址获得的网页源码字符串 NSRegularExpression *regularExpretion=[ NSRegularExpression regularExpressionWithPattern : @"<[^>]*>|\n"                                                                                     options : 0                                                                                       error :nil ];           content=[regularExpretion stringByReplacingMatchesInString :content options : NSMatchingReportProgress range :NSMakeRange( 0 , content .length ) withTemplate : @"-" ]; //替换所有html和换行匹配元素为"-"           regularExpretion=[ NSRegularExpression regularExpressionWithPattern : @"-{1,}" options : 0 error :nil ] ;      content=[regularExpretion stringByReplacingMatchesInString :content options : NSMatchingReportProgress range :NSMakeRange( 0 , content .length ) withTemplate : @"-" ]; //把多个"-"匹配为一个"-"           //根据"-"分割到数组      NSArray *arr=[ NSArray array ];      content=[ NSString stringWithString :content];      arr =  [content componentsSeparatedByString : @"-" ];      NSMutableArray *marr=[ NSMutableArray arrayWithArray :arr];      [marr removeObject : @"" ];      return marr;

iOS uses regular expressions to remove tag elements from HTML for plain text