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  1. #!/bin/bash
  2. s='Wilkes-Barre
  3. California'
  4. grep -E '^[[:upper:]][[:lower:]]+(-[[:upper:]][[:lower:]]*)?$' <<< "$s"
Success #stdin #stdout 0.01s 5424KB
comments (?)
stdin 
Standard input is empty
stdout 
Wilkes-Barre
California
https://ideone.com/fjUK24
language:
Bash (bash 5.0.3)
created:
4 years ago
visibility:
public

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