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  1. puts 'a,C,f,G, but, NOT abc de'.scan(/\b[[:alpha:]]\b/)
Success #stdin #stdout 0.01s 7460KB
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Standard input is empty
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a
C
f
G
https://ideone.com/WQnPmR
language:
Ruby (ruby 2.5.5)
created:
10 years ago
visibility:
secret

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