Wc

wc -l

• https://man7.org/linux/man-pages/man1/wc.1.html

-m, --chars

echo -n 12050000000 | wc -m

echo yourstringtocountcharacters | tr -d '\n'  | wc -m

echo yourstringtocountcharacters | wc -m
28

Related commands

• grep
• taskset -p

See also

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