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Improve doc of Regexp about "ignore case" behavior [Misc #10836]
* doc/regexp.rdoc: RDoc for "ignore case" behavior git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65269 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -541,10 +541,15 @@ options which control how the pattern can match.
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subexpression level with the
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<tt>(?</tt><i>on</i><tt>-</tt><i>off</i><tt>)</tt> construct, which
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enables options <i>on</i>, and disables options <i>off</i> for the
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expression enclosed by the parentheses.
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expression enclosed by the parentheses:
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/a(?i:b)c/.match('aBc') #=> #<MatchData "aBc">
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/a(?i:b)c/.match('abc') #=> #<MatchData "abc">
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/a(?i:b)c/.match('aBc') #=> #<MatchData "aBc">
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/a(?-i:b)c/i.match('ABC') #=> nil
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Additionally, these options can also be toggled for the remainder of the
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pattern:
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/a(?i)bc/.match('abC') #=> #<MatchData "abC">
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Options may also be used with <tt>Regexp.new</tt>:
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