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Re: Capturing all instances of a repeating sub-pattern in regex

by kennethk (Monsignor)
on Nov 16, 2012 at 18:41 UTC ( #1004231=note: print w/ replies, xml ) Need Help??

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  1. or download this
        $text =~ s/
              (.+?)            (?:\s*\n)+
          ((?: \d+ (?:\sPSI)? (?:\s*\n)+ ){4})
         /push @r, [ $1, $2 =~ m|\d+ (?:\sPSI)?|xg ]/esgx;
    
  2. or download this
        $text =~ s/
              (.+?)            (?:\s*\n)+
          (?: (\d+ (?:\sPSI)?) (?:\s*\n)+ )
    ...
          (?: (\d+ (?:\sPSI)?) (?:\s*\n)+ )
          (?: (\d+ (?:\sPSI)?) (?:\s*\n)+ )
         /push @r, [ $1, $2, $3, $4, $5 ]/esgx;
    
  3. or download this
        my $sub_re = qr/ (\d+ (?:\sPSI)?) (?:\s*\n)+ /x;
        $text =~ s/
              (.+?)            (?:\s*\n)+
    ...
          $sub_re
          $sub_re
         /push @r, [ $1, $2, $3, $4, $5 ]/esgx;
    

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