VBScript String Functions(2)

VBScript String Functions(1)

1.LTrim
2.RTrim
3.Trim
4.Replace
5.StrReverse
6.Space

LTrim Function:Removes spaces on the left side of a string.
Syntax:LTrim(string)
Ex1:a=LTrim(" LAKSHMI ")
Msgbox a
Output=LAKSHMI .

RTrim Function:Removes spaces on the right side of a string.
Syntax:RTrim(string)
Ex1:a=RTrim(" LAKSHMI ")
Msgbox a
Output= LAKSHMI.

Trim Function:Removes spaces on both the left and the right side of a string.
Syntax:Trim(string)
Ex1:a=Trim(" LAKSHMI ")
Msgbox a
Output=LAKSHMI.

Replace Function:Replaces a specified part of a string with another string a specified number of times.
Syntax:Replace(expression, find, replacewith[, start[, count[, compare]]])
where start,count,compare are optional.

expression:String expression containing substring to replace.
find:Substring being searched for.
replacewith:Replacement substring.
start(Optional):Position within expression where substring search is to begin. If omitted,1 is assumed.
count(Optional):Number of substring substitutions to perform. If omitted, the default value is -1, which means make all possible substitutions.
compare(Optional):Numeric value indicating the kind of comparison to use when evaluating substrings.If omitted,the default value is 0, which means perform a binary comparison.

Ex1:a= Replace("abacadaeaf","a","x")
Msgbox a
Output=xbxcxdxexf.

Ex2:a=Replace("abacadaeaf","a","x",1,3)
Msgbox a
Output=xbxcxdaeaf.

As we are giving values for start and count parameters(optional)in above example only first 3 a's are replaced by x.

StrReverse Function:Reverses a string.
Syntax:StrReverse(string)
Ex1:a=StrReverse("Lakshmi")
Msgbox a
Output=imhskaL.

Space Function:Creates a string with the specified number of spaces.
Syntax:Space(number)
Ex1:a="Welcome"&space(5)&"All"
Msgbox a
Output=Welcome All.

VBScript String Functions(1)

VBScript String Functions

1.LCase
2.UCase
3.Left
4.Right
5.Len
6.Mid

LCase Function:Converts a specified string to lowercase.
Syntax:LCase(string)
Ex1:a=LCase("LAKSHMI")
Msgbox a
Output=lakshmi

UCase Function:Converts a specified string to uppercase.
Syntax:UCase(string)
Ex:a=UCase("laxmi")
Msgbox a
Output=LAXMI

Left Function:Returns a specified number of characters from the left side of a string.
Syntax:Left(string,length)
Ex:a=Left("Lakshmi",3)
Msgbox a
Output=Lak

Right Function:Returns a specified number of characters from the right side of a string.
Syntax:Right(string,length)
Ex:a=Right("Lakshmi",3)
Msgbox a
Output=hmi

Len Function:Returns the number of characters in a string.
Syntax:Len(string)
Ex:a=Len("Lakshmi")
Msgbox a
Output=7

Mid Function:Returns a specified number of characters from a string.
Syntax:Mid(string, start[, length])where length is optional.

Ex1:a=Mid("Lakshmi",1)
Msgbox a
Output=Lakshmi

Here starting position of string is 1 and as their is no number specified for length(optional)output is whole string i.e Lakshmi.

Ex2:a=Mid("Lakshmi",4)
Msgbox a
Output=shmi

Starting position is 4 and no length specified result(output)string starts from 4th position of given string to till end of the string i.e shmi

Ex3:a=Mid("Lakshmi",4,3)
Msgbox a
Output=shm

Starting position is 4 and length is 3 result(output)string starts from 4th position of given string and it takes next 2 characters in the string(including 4th position character total becomes 3 characters)and returns the result as shm.

VBScript String Functions(2)