PPIx-Regexp Perl Version Functionality
The PPIx-Regexp package provides a PPI-like parse of Perl regular expressions. Part of its functionality includes reporting on the versions of Perl under which a given regular expression or its elements are valid. Up to this point the version fumctionality has been fairly simple: method perl_version_introduced()
returns the version of Perl that introduced the element, and perl_version_removed()
returns the version under which it was removed, or