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PHP：正则表达式处理微博中的话题和对象名 转自：http://www.oschina.net/code/snippet_54100_3411 $post_content = "@oschina和@twitter在研究用#PHP#的#正则表达式#过滤话题和对象名";
$tag_pattern = "/\#([^\#|.]+)\#/";
preg_match_all($tag_pattern, $post_content, $tagsarr);
$tags = implode(',',$tagsarr[1]);
$user_pattern = "/\@([a-zA-z0-9_]+)/";
$post_content = preg_replace($user_pattern, '<a href="http://twitter.com/${1}">@${1}</a>', $post_content );
$post_content = preg_replace($tag_pattern, '<a href="http://twitter.com/search?q=#${1}">#${1}#</a>', $post_content);
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2022-08-17
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