我想在html中插入样式标签。我的样式标签是finalstyle，我想在邮件头中插入insert。此代码对我不起作用。最终样式未嵌入。
这是我的风格
$1<div ><style type="text/css"> p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 15.0px 'Helvetica Neue'} span.s1 {font-family: 'Helvetica Neue'; font-weight: bold; font-style: normal; font-size: 15.00px; text-decoration: underline} </style></div><br /><div style="border-left: 1px solid grey; padding-left: 15px"> –
replacements = [NSString stringWithFormat:@"$1<div>%@</div><br /><div style=\"border-left: 1px solid grey; padding-left: 15px\">", finalstyle];
NSRegularExpression *regexs = [NSRegularExpression regularExpressionWithPattern:@"(<head.*?>)" options:NSRegularExpressionCaseInsensitive error:&error];
mailBody = [regexs stringByReplacingMatchesInString:mailBody options:0 range:NSMakeRange(0, [mailBody length]) withTemplate:replacements];;
NSRegularExpression *regexs = [NSRegularExpression regularExpressionWithPattern:@"(<p class=\"p2\".*?>)" options:NSRegularExpressionCaseInsensitive error:&error];
mailBody = [regexs stringByReplacingMatchesInString:mailBody options:0 range:NSMakeRange(0, [mailBody length]) withTemplate:replacements];;
NSLog(@"%@",mailBody);
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