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The Perl in the Crown: Regular Expressions in SAS

This paper introduces the PRX family of SAS functions and call routines, which bring the power of Perl regular expressions to SAS. Examples are given of every member of the PRX family (apart from PRXDEBUG), as well as some undocumented features. No prior knowledge of Perl is required.

The Perl in the Crown Regular Expressions in SAS.pdf