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No exception after applied String#encode.
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| str = "\xff" | |
| str.force_encoding('UTF-8') | |
| begin | |
| str =~ /a/ | |
| rescue => e | |
| p e # invalid byte sequence in UTF-8 (ArgumentError) | |
| end | |
| str = str.encode("UTF-8", "UTF-8") | |
| begin | |
| str =~ /a/ # no throw, why? | |
| rescue => e | |
| p e | |
| end |
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Tested with
ruby 1.9.3p385 (2013-02-06 revision 39114) [x86_64-darwin12.2.1]