String Manipulation Functions how to use some of the string manipulation function

In this lesson, we will learn how to use some of the string manipulation function such as Len, Right, Left, Mid, Trim, Ltrim, Rtrim, Ucase, Lcase, Instr, Val, Str ,Chr and Asc.

The Len Function

The length function returns an integer value which is the length of a phrase or a sentence, including the empty spaces. The format is

Len (“Phrase”)

For example,
Len (VisualBasic) = 11 and Len (welcome to VB tutorial) = 22
The Len function can also return the number of digits or memory locations of a number that is stored in the computer. For example,

Private sub Form_Activate ( )
X=sqr (16)
Y=1234
Z#=10#
Print Len(x), Len(y), and Len (z)
End Sub