@technobuddha > library > Programming > Escaping
Function: unescapeC()
ts
function unescapeC(input: string): string;Defined in: unescape-c.ts:42
Unescape a string encoded in C style
| Escape Sequence | Hex | Character |
|---|---|---|
| \0 | 0x00 | NUL |
| \a | 0x07 | Bell |
| \b | 0x08 | Backspace |
| \e | 0x1b | Escape |
| \f | 0x0c | Form Feed |
| \n | 0x0a | New Line |
| \r | 0x0d | Carriage Return |
| \t | 0x09 | Tab |
| \v | 0x0b | Vertical Tab |
| \\ | 0x5c | Backslash |
| \' | 0x27 | Single Quote |
| \" | 0x22 | Double Quote |
| \? | 0x3f | Question Mark |
| \nnn[^1] | 0x0000-0x01ff | Octal Escape |
| \xn…[^2] | Hex Escape | |
| \unnnn | 0x0000-0xFFFF | Unicode Escape |
| \Unnnnnnnn | 0x0000-0x10FFFF | Unicode Escape |
[^1]: An octal escape sequence consists of a backslash followed by one to three octal digits. The octal escape sequence ends when it either contains three octal digits, or the next character is not an octal digit. [^2]: A hex escape sequence must have at least one hex digit following \x, with no upper bound; it continues for as many hex digits as there are.
Parameters
| Parameter | Type | Description |
|---|---|---|
input | string | The string to unescape |
Returns
string
the string with escapes resolved
Example
typescript
unescapeC('Hello\\nWorld'); // "Hello\nWorld"
unescapeC('\\x48\\x65\\x6c\\x6c\\x6f'); // "Hello"
unescapeC('\\u20ac'); // "€"
unescapeC('\\U0001f600'); // "😀"