Returns a number of characters from the left-hand side of a string.
StringLeft ( "string", count )
If count exceeds string length, the entire string is returned.
If count is negative, an empty string is returned.
StringCompare, StringInStr, StringLen, StringLower, StringMid, StringReplace, StringRight, StringSplit, StringTrimLeft, StringTrimRight, StringUpper
#include <MsgBoxConstants.au3>
Local $sString= StringLeft ("This is a sentence with whitespace.",5); Retrieve 5 characters from the left of the string.
MsgBox ($MB_SYSTEMMODAL,"","The 5 leftmost characters are: "&$sString)