Basic HTML version of Foils prepared
Sept 20 97
Foil 39 Predefined Character Classes in Regular Expressions
From
Tutorial on PERL Computational Science for Information Age Course CPS616 --
Sept 20 97
.
by
Geoffrey C. Fox,Nancy McCracken,Tom Scavo
1
\d digits [0-9]
2
\D NOT digits [^0-9]
3
\w word characters [a-zA-Z0-9_]
Really anything legal in a PERL variable name
Note \b indicates break between \w and \W
4
\W NOT word chars [^a-zA-Z0-9_]
5
\s Whitespace [ \r\t\n\f]
6
\S NOT whitespace [^ \r\t\n\f]
in Table To:
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Basic HTML version of Foils prepared Sept 20 97
