Escape sequences encode hard to type characters, e.g a tab \\t.

Table of escape sequences:

| Escape     | What it does                                                |
| ---------- | ----------------------------------------------------------- |
| \\\        | Backslash (\\)                                              |
| \\'        | Single-quote (')                                            |
| \\"        | Double-quote (")                                            |
| \a         | ASCII bell (BEL)                                            |
| \b         | ASCII backspace (BS)                                        |
| \f         | ASCII formfeed (FF)                                         |
| \n         | ASCII linefeed (LF)                                         |
| \N{name}   | Character named name in the Unicode database (Unicode only) |
| \r         | Carriage return (CR)                                        |
| \t         | Horizontal tab (TAB)                                        |
| \uxxxx     | Character with 16-bit hex value xxxx                        |
| \Uxxxxxxxx | Character with 32-bit hex value xxxxxxxx                    |
| \v         | ASCII vertical tab (VT)                                     |
| \ooo       | Character with octal value ooo                              |
| \xhh       | Character with hex value hh                                 |