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Regexp#source behaviour has changed in MRI 2 #2283

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chrisseaton opened this issue Dec 6, 2014 · 2 comments
Closed

Regexp#source behaviour has changed in MRI 2 #2283

chrisseaton opened this issue Dec 6, 2014 · 2 comments
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JRuby 9000 ruby 2.0-2.2
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Invalid or Duplicate

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@chrisseaton
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It looks like the Regexp#source behaviour changed has in MRI. I couldn't immediately see how to fix this. It doesn't appear to be covered by RubySpec yet.

$ ~/.rbenv/versions/1.8.7-p375/bin/ruby ../test.rb 
"/"
"\\/"

$ ~/.rbenv/versions/1.9.3-p550/bin/ruby ../test.rb 
"/"
"\\/"

$ ~/.rbenv/versions/2.0.0-p594/bin/ruby ../test.rb 
"/"
"/"

$ ~/.rbenv/versions/rbx-2.2.10/bin/ruby ../test.rb 
"/"
"\\/"

$ bin/jruby ../test.rb 
"/"
"\\/"

$ cat ../test.rb 
p %r[/].source
p /\//.source
@chrisseaton chrisseaton added this to the JRuby 9.0.0.0 milestone Dec 6, 2014
@chrisseaton chrisseaton mentioned this issue Dec 6, 2014
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@cremno
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cremno commented Dec 12, 2014

It isn't just Regexp#source. The regular expressions themselves are different until MRI/CRuby 2.0.0. But %r[/] being the same as /\// makes sense, doesn't it?

@enebo enebo modified the milestone: JRuby 9.0.0.0 Jul 14, 2015
@kares
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kares commented Mar 2, 2018

all seems well in ~ current JRuby 9K :

jruby-9.1.15.0 :001 > p %r[/].source
"/"
 => "/" 
jruby-9.1.15.0 :002 > p /\//.source
"/"
 => "/"

@kares kares closed this as completed Mar 2, 2018
@kares kares added this to the Invalid or Duplicate milestone Mar 2, 2018
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@enebo @kares @cremno @chrisseaton