Appendix A: Perl Version Notes
This appendix contains notes about the limitations of the Perl version that is used by SAS 9.41. It is intended for the Perl experts out there who are wondering about some of the missing pieces within SAS. The information below was taken directly from the SAS website and is provided here because it is somewhat difficult information to find but is potentially very useful to the advanced reader of this book.
“The PRX functions use a modified version of Perl 5.6.1 to perform regular expression compilation and matching. Perl is compiled into a library for use with SAS. This library is shipped with SAS® 9. The modified and original Perl 5.6.1 files are freely available in a ZIP file from the Technical Support Web site. ...
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