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Re^3: Regular expressions: interpolate the variable in the value of the number of repetitions for the group

by rjt (Deacon)
on Aug 03, 2013 at 10:29 UTC ( #1047690=note: print w/ replies, xml ) Need Help??

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  1. or download this
    $binary_data =~ /(.)(.){(?{unpack 'H*', $1})}/; # ?
    /(.)(?{unpack 'H*', $1})(.){$^R}/; # ???
    /(.)((??{'.' x $1}))/;
    /(\d)((??{'.*?\n' x $1}))/;
    
  2. or download this
    /(\d) ([^\d]+?\n)? ([^\d]+?\n)? ([^\d]+?\n)?
          ([^\d]+?\n)? ([^\d]+?\n)? ([^\d]+?\n)?
          ([^\d]+?\n)? ([^\d]+?\n)? ([^\d]+?\n)? /x;
    printf "%d: <%s>\n", $_, eval '$'.$_ for 2..$1+1;
    

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