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Perl Language Reference Manual
by Larry Wall and others
Paperback (6"x9"), 724 pages
ISBN 9781906966027
RRP £29.95 ($39.95)

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$sid     = "sid";
$greg    = "GrEg";
$miranda = "(Miranda)";
$str     =~ /\u$sid/;        # Matches 'Sid'
$str     =~ /\L$greg/;       # Matches 'greg'
$str     =~ /\Q$miranda\E/;  # Matches '(Miranda)', as if the pattern
                             #   had been written as /\(Miranda\)/
ISBN 9781906966027Perl Language Reference ManualSee the print edition