1

What regular expression can be used to match either alphabetical characters between a and z or numeric characters between 0 and 9 in any order, allowing for any length, or for the exact string "N/A"?

edit

• sed

asked 2023-01-18 11:00:00 +0000

david
31 ●16 ●4

edit retag flag offensive close merge delete

add a comment

0

answered 2021-04-13 21:00:00 +0000

djk
21 ●1 ●1

^(?:[a-z0-9]+|N/A)$

edit flag offensive delete link more

add a comment

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account. This space is reserved only for answers. If you would like to engage in a discussion, please instead post a comment under the question or an answer that you would like to discuss