Help for this page

Select Code to Download


  1. or download this
    $_="a1 a2 a3";
while(?a(\d)?g){ print $1; }
  2. or download this
    $_="a1 a2 a3";
while(?a(\d)?g){ print $1; }
while(?a(\d)?g){ print $1; }
  3. or download this
    $_="a1 a2 a3 a4";
while(/a(\d)/g){ print $1; last; }
while(/a(\d)/g){ print $1; }