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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

NameRequired/OptionalData typeDefaultDescription
arg1RequiredApiRange | ApiName | stringThe text string containing the characters to extract.
arg2OptionalApiRange | ApiName | numberA number of the substring characters, based on bytes.

Returns

string

Example

This example shows how to extract 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.

// How to extract the substring from the left character.

// Use a function to get the substring from the left.

let worksheet = Api.GetActiveSheet();
let func = Api.GetWorksheetFunction();
worksheet.GetRange("A1").SetValue(func.LEFTB("Online Office", 6));