[perl #74012] [BUG] A backslashed entity after the '..' in a character class is parsed as a literal backslash and a character

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
# Please include the string:  [perl #74012]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=74012 >


<masak> rakudo: /<[a..\]]>/
<p6eval> rakudo 50fa7b: OUTPUT«regex assertion not terminated by angle
bracket [...]
* masak submits rakudobug
<masak> rakudo: /<[a..\\]>/
<p6eval> rakudo 50fa7b: OUTPUT«Confused [...]
<jnthn> std:  /<[a..\]]>/
<p6eval> std 30279: OUTPUT«ok 00:01 109m␤»
<jnthn> std:  /<[a..\\]>/
<p6eval> std 30279: OUTPUT«ok 00:01 107m␤»
<masak> it's almost cheating after you've looked at the nqp-rx source :P
<masak> rakudo: say "e" ~~ /<[a..\e]>/
<p6eval> rakudo 50fa7b: OUTPUT«e␤»
<masak> same bug. :)