Making 4 string from the given string
String s1 = " " , s2 = " " , s3 = " " , s4 = " " ; try { s1 = s . Substring ( 0 , i ) ; s2 = s . Substring ( i , j - i ) ; s3 = s . Substring ( j , k - j ) ; s4 = s . Substring ( k , s . Length - k ) ; } catch ( Exception e ) { }