# If you'd like to omit non-matching lines from the result; add ';d' to the end of the expression.
sed -E 's/(TIM[\d]{4}-[\d]+ [|]) ([\d]{6}[.][\w]+[\/d]*) ([\w]+-?\d*)(.*)/$3/gm;t' <<< "TIM2020-001 | 200224.T7 Ia-8
TIM2020-001 | 200224.T7 Gr
TIM2020-001 | 200224.T77 Gr
TIM2020-001 | 20024.T7 Gr"
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for SED, please visit: https://www.gnu.org/software/sed/manual/html_node/The-_0022s_0022-Command.html