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* string.c (rb_str_match):

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Clarify behavior for captured strings and local variable assignment
  Patch by Marcus Stollsteimer [ruby-dev:47668] [Bug #7062]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37109 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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zzak 2012-10-06 19:38:18 +00:00
parent 974e3c9c5d
commit 1b5ce61327
1 changed files with 4 additions and 0 deletions
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string.c
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@ -2699,6 +2699,10 @@ rb_str_rindex_m(int argc, VALUE *argv, VALUE str)
* <i>obj.=~</i>, passing <i>str</i> as an argument. The default
* <code>=~</code> in <code>Object</code> returns <code>nil</code>.
*
* Note: <code>str =~ regexp</code> is not the same as
* <code>regexp =~ str</code>. Strings captured from named capture groups
* are assigned to local variables only in the second case.
*
* "cat o' 9 tails" =~ /\d/ #=> 7
* "cat o' 9 tails" =~ 9 #=> nil
*/