This documentation was styled with a demo skin from the Premium Pack 4 add-on for Help & Manual. The contents of the skin are encrypted and not configurable. You can only publish HM projects with this skin. You cannot edit it or change it.
This version is copyright and may only be used for local testing purposes. It may not be distributed.
Please purchase the full version of the Premium Pack to get the configurable skins and remove this notice. The package will also include the Toolbox configuration utility for Premium Pack skins.
Description
FAST version of LEFT$ function working on scalar string variable only!
Return the left-most n characters of a string.
Syntax
s = LEFTF$(StringVariable, nBytes)
Returns
String
Parameters
Name |
Type |
Optional |
Meaning |
StringVariable |
Variable |
No |
IMPORTANT: a scalar string variable.
This parameter can only be: •a single global or local string variable •a string element of a user defined type (UDT)
|
nBytes |
Numeric |
No |
Number of bytes to return
•if nBytes is greater than or equal to the length of StringExpression, all of StringExpression is returned •if nBytes is zero, LEFTF$ returns an empty string •if nBytes is negative, it is interpreted as: •if nBytes is negative but its absolute value is greater than or equal to the length of StringExpression, all of StringExpression is returned
|
Remarks
Restrictions
See also
String Handling, LEFT$, RIGHT$, MID$, RIGHTF$,
Examples
History
thinBasic Version |
Date |
Changes |
1.12.0 |
2024/07/02 |
Added possibility to have negative values in nBytes parameter |