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```
@matches= $string =~ /$regex/gk;
```

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#!/usr/bin/perl -w
use strict;
...
no&()  441612/s    0%    --   -0%  -81%
amp?:  443563/s    1%    0%    --  -81%
no&?: 2354611/s  435%  433%  431%    --