|Perl Language Reference Manual|
by Larry Wall and others
Paperback (6"x9"), 724 pages
RRP £29.95 ($39.95)
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Switch condition not recognized in regex; marked by <-- HERE in m/%s/
(F) If the argument to the (?(...)if-clause|else-clause) construct is a number, it can be only a number. The <-- HERE shows in the regular expression about where the problem was discovered. See 11.
|ISBN 9781906966027||Perl Language Reference Manual||See the print edition|