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<?php $position = 48; $string = 'Urna cursus condimentum aliquam cursus [a href="/l.-da-vinci"]Leonardo da Vinci[/a]turpis class tempor suscipit egestas est praesent'; preg_match('~\[a.*?\[/a\]~', $string, $matches, PREG_OFFSET_CAPTURE); $matchStart = $matches[0][1]; $matchEnd = $matchStart+strlen($matches[0][0]); if ($position > $matchStart && $position < $matchEnd) { echo 'not allowed'; } else { echo 'allowed'; }

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