[ruby/strscan] Fix a bug that inconsistency of IndexError vs nil for unknown capture group (https://github.com/ruby/strscan/pull/143)
Fix https://github.com/ruby/strscan/pull/139
Reported by Benoit Daloze. Thanks!!!
https://github.com/ruby/strscan/commit/bc8a0d2623
[ruby/strscan] Fix a bug that inconsistency of IndexError vs nil for
unknown capture group
(https://github.com/ruby/strscan/pull/143)
Fix https://github.com/ruby/strscan/pull/139
Reported by Benoit Daloze. Thanks!!!
https://github.com/ruby/strscan/commit/bc8a0d2623