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run code in 150+ php & hhvm versions
Bugs & Features
<?php function special_text( $content ) { $search_for = 'specialtext'; $replace_with = '<span class="special-text"><strong>special</strong>text</span>'; return preg_replace( '/<a.*?<\/a>(*SKIP)(*F)|'.$search_for.'/m', $replace_with, $content ); } echo "<pre>" . special_text('<a title="specialtext" href="http://specialtext.com">specialtext</a>') . "</pre>";
Output for 4.4.9, 5.2.5 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
<pre><a title="specialtext" href="http://specialtext.com">specialtext</a></pre>
Output for 4.3.11 - 4.4.8, 5.0.0 - 5.2.4
Warning: preg_replace(): Compilation failed: nothing to repeat at offset 11 in /in/NKoQJ on line 6 <pre></pre>
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: nothing to repeat at offset 11 in /in/NKoQJ on line 6 <pre></pre>