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Craziest backslash escape?

\1 (backreference)
\101 (octal)
\A
\B
\C
\D
\E
\F (Update 2015-06-08: added, new in 5.16.0)
\G
\H
\K
\L
\N{LATIN SMALL LETTER A}
\N{latin:a}
\N{U+2013} (Update 2010-11-24: added, newly documented in perl 5.12.0)
\N (non-newline) (Update 2010-03-29: added, new in perl 5.12.0)
\PL (Update 2008-08-29: added, dunno how I missed this)
\P{IsLower} (Update 2008-08-29: added, dunno how I missed this)
\Q
\R
\S
\U
\V
\W
\X
\Z
\a
\b (backslash)
\b (boundary)
\cT
\d
\e
\f
\g1
\g{-1}
\g{named}
\h
\k<named> or \k{named} or \k'named'
\l
\n
\o{20023} (Update 2010-11-24: added, new in perl 5.13.3)
\pL
\p{IsLower}
\r
\s
\t
\u
\v
\w
\x41
\x{2019}
\z

We could also do favourite regex modifier, but that'd be too similar to I resolve to finally grok and use the regex option... except that we'd now also have /p. See also The most annoying common way to get a string literal in Perl is....

In reply to Re: poll ideas quest 2007 (Craziest escape) by ambrus
in thread poll ideas quest 2007 by ysth

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