#Java, 143 141 125 88 bytes
Java, 143 141 125 88 bytes
interface T {static void main(String[]a){System.out.print(a[0]);main(a[0].split("0"));}} Ungolfed Test Code
interface T { static void main(String[] a) { System.out.print(a[0]); main(a[0].split("0")); } }