You made me go back to perlre again - I knew I had looked it up when giving the original answer, but you made me second guess myself. ;-) Turns out, we're both right. Without the colon, the directive applies to the end of the current block (capturing or non-capturing parenthesis). With the colon, of course, it applies only to that non-capturing block.

In reply to Re^7: Parse::RandGen::Regexp by Tanktalus
in thread Parse::RandGen::Regexp by paulski

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