How to check if a string only contains numbers?
boolean isNumber(String s) { String[] m = match(s, "^[0-9]*$"); if (m != null) { return true; } return false; } // isNumber()
by Rolf van Gelder | CAGE Web Design, Eindhoven
How to check if a string only contains numbers?
boolean isNumber(String s) { String[] m = match(s, "^[0-9]*$"); if (m != null) { return true; } return false; } // isNumber()