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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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\\N in a character class must be a named character: \\N{...}

(F) The new (5.12) meaning of \N as [^\n] is not valid in a bracketed character class, for the same reason that . in a character class loses its specialness: it matches almost everything, which is probably not what you want.

ISBN 9781906966027Perl Language Reference ManualSee the print edition