Unicode substrings in Ruby 1.8.x

Here is how to get correct unicode substrings in Ruby 1.8.x

require 'jcode'
$KCODE = 'u'
 
"öäüÖÄÜß".split(//)[4,2].join
# ÄÜ

Don’t know, if this performes well… In case you have better ideas, please drop me a comment.

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