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  1. #!/bin/bash
  2. s='3.6.212.0.dev'
  3. re='^([0-9]+\.){4}(dev|prod)$'
  4. if ! [[ "$s" =~ $re ]] ; then
  5.   echo "error: Incorrect version specified; must be in the format of #.#.#.#.env"
  6. else
  7.   echo "$s is valid!"
  8. fi
Success #stdin #stdout 0s 5512KB
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Standard input is empty
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3.6.212.0.dev is valid!
https://ideone.com/QseeXS
language:
Bash (bash 5.0.3)
created:
3 years ago
visibility:
secret

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