- publishing free software manuals
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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Examples (assuming an ASCII platform)

$str = "Perl";
$str =~ /\120/;    # Match, "\120" is "P".
$str =~ /\120+/;   # Match, "\120" is "P", it is repeated at least once.
$str =~ /P\053/;   # No match, "\053" is "+" and taken literally.
ISBN 9781906966027Perl Language Reference ManualSee the print edition