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<?php function convert_instagram_links( $instagram_caption_a_title ) { // Create links from @mentions, #hashtags and regular links. $instagram_caption_a_title = preg_replace( '~https?://[^<>\s]+~i', '<a href="$0" target="_blank">$0</a>', $instagram_caption_a_title ); $instagram_caption = preg_replace( '/#+(\w+)/u', '<a href="https://www.instagram.com/explore/tags/$1" target="_blank">$0</a>', $instagram_caption_a_title ); $instagram_caption = preg_replace( '/@+(\w+)/u', '<a href="https://www.instagram.com/$1" target="_blank">@$1</a>', $instagram_caption ); return $instagram_caption; } echo convert_instagram_links('@tags_underscore or #hashtags_underscore');
Output for git.master, git.master_jit, rfc.property-hooks
<a href="https://www.instagram.com/tags_underscore" target="_blank">@tags_underscore</a> or <a href="https://www.instagram.com/explore/tags/hashtags_underscore" target="_blank">#hashtags_underscore</a>

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