tom--/regex puzzle.md

Created November 12, 2012 22:22

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string replacement

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regex puzzle.md

How to implement this substring replacement rule?

%% is replaced with % and %x is replaced with #

which would do, for example,

abc %x def      => abc # def
abc %%x def     => abc %x def
abc %%%x def    => abc %# def
abc %%%%x def   => abc %%x def
abc %%%%%x def  => abc %%# def

tom--/regex puzzle.md

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