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preg_replace to conditionally replace twitter hashtag and user mentions with urls

Aug 13, 2014 by Christine Cardoso in Twitter

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Linkify your twitter hashtags and twitter user mentions! Need to replace twitter hashtags and usernames with the actual Twitter hashtag search query links/URLs and user profile pages? Twitter Username / User Mention Preg_replace

        $tweetText = preg_replace("/@([a-zA-Z0-9_]+)/", '<a href="http://www.twitter.com/$1" target="_blank">@$1</a>', $tweetText);

1	$tweetText = preg_replace("/@([a-zA-Z0-9_]+)/", '<a href="http://www.twitter.com/$1" target="_blank">@$1</a>', $tweetText);

Twitter Hashtag Preg_replace

$tweetText = preg_replace('/(^|\s)#(\w*[a-zA-Z_]+\w*)/', '\1#<a href="http://twitter.com/search?q=%23\2">\2</a>', $tweetText);

1	$tweetText = preg_replace('/(^\|\s)#(\w[a-zA-Z_]+\w)/', '\1#<a href="http://twitter.com/search?q=%23\2">\2</a>', $tweetText);

… Continued