Removing unwanted spaces within a string

Removing leading and trailling spaces is pretty easy. All you need to do is make use of Ltrim and Rtrim function respectively. But there are times when you want to remove unwanted spaces within a string. Check out the below code to know how to do it. 


/*Declaration and Initialization */
Declare @strValue varchar(50)
Set @strValue = ' I     Love     you ! ' 


/*Remove the leading and trailing spaces*/
Set @strValue = Rtrim(Ltrim(@strValue))


/*Loop through and remove more than one spaces to single space. */
While CharIndex('  ',@strValue)>0
Select @strValue = Replace(@strValue, '  ', ' ')


/*Final output*/
Select @strValue