LEFTB
Extracts the substring from the specified string starting from the left character and is intended for languages that use the double-byte character set (DBCS) like Japanese, Chinese, Korean etc.
Syntax
expression.LEFTB(arg1, arg2);
expression - A variable that represents a ApiWorksheetFunction class.
Parameters
| Name | Required/Optional | Data type | Default | Description |
|---|---|---|---|---|
| arg1 | Required | ApiRange | ApiName | string | The text string containing the characters to extract. | |
| arg2 | Optional | ApiRange | ApiName | number | A number of the substring characters, based on bytes. |
Returns
string
Example
Extract text from the left of a string using byte count for multi-byte characters in a spreadsheet.
// How do I get a substring from text in languages like Chinese or Japanese in a spreadsheet?
// Work with left-aligned text extraction that counts bytes instead of characters in a spreadsheet.
let worksheet = Api.GetActiveSheet();
let func = Api.WorksheetFunction;
worksheet.GetRange("A1").SetValue(func.LEFTB("Online Office", 6));