left
| Explanation | Extracts the specified length from the beginning (left end) of the character string. | |
| Call format | var s = left( character string, length [, processing unit ] | |
| Return value | Extracted character string | |
| Arguments | String string | Original character string |
| Integer length | Number of characters to extract | |
| Integer processing unit | 0: Treat as one character without distinguishing between half-width and full-width 1: Half-width characters are treated as one character, and full-width characters are treated as two characters. If omitted, half-width and full-width characters will not be distinguished. *AI does not distinguish between half-width and full-width characters regardless of the argument* | |
| Exception | None | |
| Example of use | | |
| Related item | mid, right method | |