From: Ruohao Li <liruohao@...>
Date: 2010-08-20T00:45:31+09:00
Subject: Is this a bug of String#count?

$ ruby -v
ruby 1.9.1p429 (2010-07-02 revision 28523) [i386-darwin9]
$ irb --simple-prompt
>> s = "a\u4e00" # \u4e00 is the chinese character for "one" in case you can't read the next line
=> "a一"
>> s.encoding
=> #<Encoding:UTF-8>
>> s.length
=> 2
>> s.count("^a")
=> 0

Why the above result is 0 not 1? After all there are 2 characters
in the string s. Is this a bug of String#count?

Thanks in advance.
Ruohao
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