Remove specified digits from a String in java -

i trying remove 1st 000 digits given string 0006700guys.

i want remove 0's before decimal num started.

suppose if string contain 006700guys, want remove 1st 2 0's, need o/p 6700guys.

if string contains 000006700chi o/p 6700chi.

thanks in advance.

public static string removezeros(string original) {     if (original == null) return null;     int index=0;     while (index<original.length() && original.charat(index)=='0') index++;     if (index==0) return original;     return(original.substring(index));      }