Can anyone help to write a regular expression to fetch TEST 31275 from the below text

Question

Hi, team can anyone help to write a regular expression to fetch TEST:31275 from the below text.

TEST is static text and numbers are dynamic values.

Sample data:

description= olfactory receptor family 4 subfamily F member 29 [Source:TEST Symbol%3BAcc:TEST:31275]

Answer 1

Try using the following expression:

Grep -o "TEST:d+" <filename>

Hope this helps!