Computer science: regular expressions w/ Perl

Perl tutoring: the tutor comments about square brackets in Perl regex.

Perl regexmatch string
/[beat24]/string containing any of b,e,a,t,2,or 4.
/beat24/string containing the exact sequence beat24


McGrath, Mike. Perl in easy steps. Southam: Computer Step, 2004.

Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.

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