GNU Awk version 5 has dynamic regexprs. [1] [1] 3.6 using Dynamic Regexps : https://www.gnu.org/software/gawk/manual/html_node/Computed-Regexps.html https://ww

GNU Awk version 5 has dynamic regexprs. [1] [1] 3.6 using Dynamic Regexps : https://www.gnu.org/software/gawk/manual/html_node/Computed-Regexps.html https://www.gnu.org/software/gawk/manual/html_node/Computed-...