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copied!<p>how about:</p> <pre><code>(\(?)(")(.+)\2\1 </code></pre> <p><strong>explanation:</strong></p> <pre><code>(?-imsx:(\(?)(")(.+)\2\1) matches as follows: NODE EXPLANATION ---------------------------------------------------------------------- (?-imsx: group, but do not capture (case-sensitive) (with ^ and $ matching normally) (with . not matching \n) (matching whitespace and # normally): ---------------------------------------------------------------------- ( group and capture to \1: ---------------------------------------------------------------------- \(? '(' (optional (matching the most amount possible)) ---------------------------------------------------------------------- ) end of \1 ---------------------------------------------------------------------- ( group and capture to \2: ---------------------------------------------------------------------- " '"' ---------------------------------------------------------------------- ) end of \2 ---------------------------------------------------------------------- ( group and capture to \3: ---------------------------------------------------------------------- .+ any character except \n (1 or more times (matching the most amount possible)) ---------------------------------------------------------------------- ) end of \3 ---------------------------------------------------------------------- \2 what was matched by capture \2 ---------------------------------------------------------------------- \1 what was matched by capture \1 ---------------------------------------------------------------------- ) end of grouping </code></pre>

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