Re^2: mysterious regexp syntax


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Re^2: mysterious regexp syntax

by grizzley (Chaplain)

on Feb 04, 2014 at 10:29 UTC ( [id://1073364]=note: print w/replies, xml )

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in reply to Re: mysterious regexp syntax
in thread mysterious regexp syntax

Ahhhh... So possibility to omit 'm' remains in case of '?' delimiter. That is what I've been missing.

# perl -le '$_="abc"; print 1 if ?b?'
[download]

Thanks for clarification!

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Re^3: mysterious regexp syntax
by Athanasius (Archbishop) on Feb 04, 2014 at 12:51 UTC

But note the following, from perl5140delta:

?PATTERN? (without the initial m) has been deprecated and now produces a warning. This is to allow future use of ? in new operators. The match-once functionality is still available as m?PATTERN?.

So with v5.14.4, I get:

22:39 >perl -le "$_ = qq[abc]; print 1 if ?b?;"
Use of ?PATTERN? without explicit operator is deprecated at -e line 1.
1

22:39 >
[download]

Hope that helps,

Athanasius <°(((>< contra mundum Iustus alius egestas vitae, eros Piratica,

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