Looks like eval runs faster... 
            Rate as usual  with do
as usual 63091/s       --     -29%
with do  88496/s      40%       --

             Rate with eval  as usual
with eval 59773/s        --       -9%
as usual  65359/s        9%        --

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In reply to Re^2: Regexp Legibility by patrickhaller
in thread Regexp do's and don'ts by muba

Title:
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