JRuby parses invalid regex without raising SyntaxError
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Key: JRUBY-5270
URL: http://jira.codehaus.org/browse/JRUBY-5270
Project: JRuby
Issue Type: Bug
Components: Parser
Affects Versions: JRuby 1.5.6
Environment: OS X
Reporter: Tony Arcieri
Assignee: Thomas E Enebo
This is a simple enough one to reproduce. Create a Ruby file which contains the
following invalid regex:
/*/
It's applying a kleene star to nothing, which is clearly wrong! The MRI
behavior is this:
SyntaxError: compile error
(irb):1: invalid regular expression; there's no previous pattern, to which '*'
would define cardinality at 1: /*/
JRuby doesn't raise a SyntaxError.
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