Turn an escaped hex string into ordinary text.
An escape character is a special character that starts with a backslash, which is used to get rid of the special meaning of the next character. In this case, it would be used to get rid of the special meaning of a non-printing character.
An escaped hex string is used in programming languages to represent binary data.
Escaped Hex strings are represented with the following notation: \x00, where 00 are characters corresponding to hexadecimal digits.