Regexp#to_s adds option flags whether or not the regex already has them
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Key: JRUBY-1296
URL: http://jira.codehaus.org/browse/JRUBY-1296
Project: JRuby
Issue Type: Bug
Reporter: Dudley Flanders
Assignee: Thomas E Enebo
Regexp#to_s adds an option group to every regexp it stringifies, even if the
regexp was created with an option group:
{noformat}
>> r = Regexp.new('x').to_s
=> "(?-mix:x)"
>> Regexp.new(r).to_s
=> "(?-mix:(?-mix:x))"
{noformat}
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