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  1. sed -r 's/_([a-z])/\U\1/g'
Success #stdin #stdout 0.02s 5308KB
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int foo_bar_baz;
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int fooBarBaz;
https://ideone.com/HyzRHi
language:
Bash (bash 5.0.3)
created:
12 years ago
visibility:
public

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