On 2024-01-27 16:00, Brendan Richardson wrote:
If you use input egrep "[^\\n\\t]" fileand the file contains a line with only n or t on it, those lines are also
This is the correct behavior. The command you mention is equivalent to grep -E '[^nt\]' fileand this outputs all lines containing some character other than 'n', 't', or '\'. A line containing only n or t should not be output.