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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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