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  1. #!/bin/bash
  2. s='Some.text.1234.text
  3. Some.text.1234.i10u20.text
  4. Some.text.1234.I01U02.text
  5. Some.text.1234.i83U23.text'
  6. extractrx='(.+)\.([0-9]+)\.[^.]+$'
  7. for f in $s; do
  8.   if [[ "${f^^}" =~ I[0-9]{2}U[0-9]{2} ]]; then
  9.     echo "$f is invalid";
  10.   else
  11.      if [[ "$f" =~ $extractrx ]]; then
  12.        echo "Result: '${BASH_REMATCH[1]}' and '${BASH_REMATCH[2]}'"
  13.      else
  14.        echo "$f is valid"
  15.      fi;
  16.   fi;
  17. done;
Success #stdin #stdout 0s 4720KB
comments (?)
stdin 
Standard input is empty
stdout 
Result: 'Some.text' and '1234'
Some.text.1234.i10u20.text is invalid
Some.text.1234.I01U02.text is invalid
Some.text.1234.i83U23.text is invalid
https://ideone.com/1tcqER
language:
Bash (bash 5.0.3)
created:
4 years ago
visibility:
secret

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