3 ms·
Note that when using GNU grep (version 2.25) you have to use -P flag for Perl compatible regular expressions. E.g.: echo "lörem ipsum" | grep -P "[^ -~]" --col
by LittlePeter 9y ago
Note that when using GNU grep (version 2.25) you have to use -P flag for Perl compatible regular expressions. E.g.:
echo "lörem ipsum" | grep -P "[^ -~]" --color
and not
echo "lörem ipsum" | grep "[^ -~]" --color