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Re^4: Regex: Embedded pattern-match modifiers: Empty (?) modifier

by khw (Novice)
on Mar 23, 2019 at 18:37 UTC ( #1231602=note: print w/replies, xml ) Need Help??


in reply to Re^3: Regex: Embedded pattern-match modifiers: Empty (?) modifier
in thread Regex: Embedded pattern-match modifiers: Empty (?) modifier

Perl 5.30 will change the documentation to Zero, and this will remain legal to accommodate machine generated code. A warning will be issued if the pattern is compiled within the scope of a "use re 'strict'" pragma. This will accommodate people who want to catch no-ops that are possibly typos.
  • Comment on Re^4: Regex: Embedded pattern-match modifiers: Empty (?) modifier

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