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  1. #!/bin/bash
  2. tmp="A123-B1234";
  3. if [[ $tmp =~ ^A[0-9]{3}-B[0-9]{4}$ ]];then
  4.         msg="valid";
  5.     else
  6.         msg="invalid";
  7. fi
  8.  
  9. echo $msg;
Success #stdin #stdout 0.01s 5316KB
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stdin
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Standard input is empty
stdout
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valid
https://ideone.com/33RPN5
language:
Bash (bash 5.0.3)
created:
3 years ago
visibility:
secret

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