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I have a variable which holds the values like

Feature/ABC-12345-apple-orange-mango
bugfix/ABC-52364-orange-mango
story/ABC-42361-juice-grape-banana

I am looking for a command to extract the value ABC-[range of digits] only.

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  • All three lines are in the same variable? Is ABC-12345 a fixed string? Commented Jan 17, 2020 at 14:05
  • How should be the value recognised? Is it always "capital letters, dash, digits after a slash"? Commented Jan 17, 2020 at 14:06
  • Yes, ABC-[0-9] digits could be any combination of 5 digits Commented Jan 17, 2020 at 14:07
  • ...| grep -oP '[A-Z]{3}-[0-9]{5}' Commented Jan 17, 2020 at 14:16

1 Answer 1

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Using grep: 

$ var='Feature/ABC-12345-apple-orange-mango
> bugfix/ABC-12345-apple-orange-mango
> story/ABC-12345-apple-orange-mango'
$ echo "$var" | grep -Eo 'ABC-[0-9]{5}'
ABC-12345
ABC-12345
ABC-12345

This will use grep with extended regex to search for any pattern that is ABC- followed by exactly 5 digits between 0-9. The -o flag will make grep print only the match.

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  • I have edited the question. sorry for the inconvenience. Commented Jan 17, 2020 at 14:16

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