subStringLength

The element <subStringLength> is a parameter to the element <subStringFunction> that specifies the number characters. The integer value has the following definitions– A positive value moves the length towards the string end.• A negative value moves the length towards the string start.• A zero value moves the length to the string end.• A positive value greater then remainder of the string moves the length to the string end.• A negative value less then start of the string moves the length to the string start.