Left, Left$, LeftB, LeftB$ Functions |
Named Arguments
Yes
Syntax
Left(string, length)
string
Use: Required
Data Type: String
The string to be processed.
length
Use: Required
Data Type: Variant (Long)
The number of characters to return from the left of the string.
Return Value
Left$ and LeftB$ return a String, and Left and LeftB return a variant of subtype String.
Description
Returns a string containing the leftmost length characters of string.
Rules at a Glance
If length is 0, a zero-length string ("") is returned.
If length is greater than the length of string, string is returned.
If length is less than or Null, the function generates runtime error 5, "Invalid procedure call or argument," and runtime error 94, "Invalid use of Null," respectively.
If string contains Null, Left returns Null.
Left and Left$ process strings of characters; LeftB and LeftB$ process binary data.
Programming Tips and Gotchas
Use the Len function to determine the overall length of string.
When you use the LeftB function with byte data, length specifies the number of bytes to return.
See Also
- Len Function, Mid Functions, Right Function
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