^

grep ^

^[[1m

$
$NF

ack, ag, grep, egrep, fgrep, agrep, ngrep, pgrep, awk, sed, strings, tr, tail, mtail, git grep, wc, uniq, LogQL, findstr (Windows), rg, git-grep, cut

line, newline, characters, wc, column, Add line, Concatenate lines, Ansible: lineinfile, rpl, sed -i