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  1. #!/bin/bash
  2. echo 'foo_bar_BAR_space' | sed 's/_\([[:lower:]]\)/.\1/g'
Success #stdin #stdout 0s 5080KB
comments (?)
stdin 
Standard input is empty
stdout 
foo.bar_BAR.space
https://ideone.com/IibYXp
language:
Bash (bash 5.0.3)
created:
7 years ago
visibility:
secret

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