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  1. #!/bin/bash
  2. s='Something1 something2  
  3. word1 Word2  
  4. this  is  lower
  5. папа Петя'
  6. grep '\<[[:upper:]]' <<< "$s"
Success #stdin #stdout 0.01s 5452KB
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stdin
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Standard input is empty
stdout
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Something1 something2  
word1 Word2  
папа Петя
https://ideone.com/NjytnI
language:
Bash (bash 5.0.3)
created:
2 years ago
visibility:
secret

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