Remove non numeric character in a StringTag(s): String/Number
Using a regular expression to filter all the non-numeric characters and replace them with an empty string.
public class StringUtils {
public static void main(String[] args) {
System.out.println(StringUtils.numericOnly(" 12B@-3456 , 7890"));
// output : 1234567890
}
public static String numericOnly(String value) {
return value.replaceAll("[^0-9]", "");
}
}