PHP uses regular expressions to obtain the topic and object names in Weibo. php Regular Expressions

PHP uses regular expressions to obtain the topic and object names in Weibo. php Regular Expressions

This example describes how PHP uses regular expressions to obtain the topic and Object Name in Weibo. Share it with you for your reference. The specific implementation method is as follows:

$ Post_content = "@ jb51 and @ twitter # PHP # Regular Expression # filter topic and Object Name in research "; $ 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/searc H? Q =#$ {1} ">#$ {1 }#</a> ', $ post_content );

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