Документация Perl 5

${^POSTMATCH}

  • ${^POSTMATCH}

    This is similar to $' ($POSTMATCH) except that it does not incur the performance penalty associated with that variable, and is only guaranteed to return a defined value when the pattern was compiled or executed with the /p modifier.

    This variable was added in Perl 5.10.

    This variable is read-only and dynamically-scoped.

 
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