Created
October 30, 2012 20:34
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odd behavior of String#tr when applied to single characters
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| irb(main):018:0> RUBY_ENGINE | |
| => "jruby" | |
| irb(main):019:0> RUBY_VERSION | |
| => "1.9.3" | |
| irb(main):020:0> JRUBY_VERSION | |
| => "1.7.0" | |
| irb(main):027:0> 'x'.tr('x', '_') # correct | |
| => "_" | |
| irb(main):028:0> 'x'.tr('^x', '_') # incorrect | |
| => "_" | |
| irb(main):030:0> 'xx'.tr('x', '_') # correct | |
| => "__" | |
| irb(main):029:0> 'xx'.tr('^x', '_') # correct | |
| => "xx" |
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