LEFTB returns the first or first few characters in a text string based on the specified number of bytes. This function is used for double-byte characters.
grammar
LEFTB(text,num_bytes)
Text is a string of text containing the characters to be extracted.
Num_bytes Specifies the number of characters extracted by LEFTB in bytes.
■Num_bytes must be greater than or equal to 0.
■ If Num_bytes is greater than the text length, LEFT returns all text.
■ If Num_bytes is omitted, it is assumed to be 1.
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