- 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)

Sales of this book support The Perl Foundation! Get a printed copy>>>

Examples

/(\w+) \1/;    # Finds a duplicated word, (e.g. "cat cat").
/(.)(.)\2\1/;  # Match a four letter palindrome (e.g. "ABBA").
ISBN 9781906966027Perl Language Reference ManualSee the print edition