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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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False [] range "%s" in regex; marked by <-- HERE in m/%s/

(W regexp) A character class range must start and end at a literal character, not another character class like \d or [:alpha:]. The "-" in your false range is interpreted as a literal "-". Consider quoting the "-", "\-". The <-- HERE shows in the regular expression about where the problem was discovered. See 11.

ISBN 9781906966027Perl Language Reference ManualSee the print edition