Meta-Character Matches
\\A single backslash
\0nAn octal value describing a character, where n is a number such that 0
\0mnnThe character with octal value 0mnn (0
\0nnThe character with octal value 0nn (0
\0xhhThe character with hexadecimal value hh (where 0
\uhhhhThe character with hexadecimal value hhhh (where 0
\tA tab (character '\u0009')
\nA newline (linefeed) ('\u000A')
\rA carriage-return ('\u000D')
\fA form-feed ('\u000C')
\aA bell/beep character ('\u0007')
\eAn escape character ('\u001B')
\cxThe control character corresponding to x, such as \cc is control-c
.Any single character