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As I understand it, these options will all effectively be turned on by default in the Perl 6 regex engine. So either Larry has decided that they are, in fact, best practice or Damian has sneaked them into the specs whilst Larry wasn't watching. Firstly, Perl 6 is not Perl 5. Secondly, Perl 6 gives you \N, a convenient way to write <-[\n]> (that's [^\n]). It's worse than ., but acceptable. Writing [^\n] all the time is a hard exercise for one's fingers, and makes for messy code. That's why I strongly believe you should only use /s when you really want . to include the newline character. /m won't be turned on by default in Perl 6. Instead, we get different metacharacters for begin/end of line versus string. So again it gives best of BOTH worlds. As for /x... I have no strong opinion about that. I don't think /\A\d+\z/ is unreadable, but I don't mind /\A \d+ \z/x at all. In reply to Re^2: Best practice or cargo cult?
by Juerd
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