in reply to Use global flag when declaring regular expressions with qr?

For the flags like /g that affect the operator, not the regular expression, you need to just interpolate the re: 
        if ($row =~ /$re/gc) {

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(Internally, I believe this is able to just use the regular expression without having to recompile it.)

You want the /c flag to not reset the match position on failure.

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A math joke: r = | |csc(θ)|+|sec(θ)| |-| |csc(θ)|-|sec(θ)| |

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Re^2: Use global flag when declaring regular expressions with qr?
by ikegami (Patriarch) on Oct 28, 2024 at 15:43 UTC

    Good job catching that if ( $row =~ /$re/g ) doesn't make sense. But the solution to finding all matches is replacing the if with a while, not adding "c".

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      Oh, right. Not sure what I was thinking.
      --
      A math joke: r = | |csc(θ)|+|sec(θ)| |-| |csc(θ)|-|sec(θ)| |
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