Java Regular Expression To Check Numeric
Chapter:
Regular Expression
Last Updated:
14-12-2016 19:31:02 UTC
Program:
/* ............... START ............... */
public class JavaStringNumeric {
public static boolean isNumeric(String string) {
return string.matches("^[-+]?\\d+(\\.\\d+)?$");
}
public static void main(String[] args) {
System.out.println(isNumeric("123.123"));
System.out.println(isNumeric("123"));
System.out.println(isNumeric("12aa"));
}
}
/* ............... END ............... */
Output
Tags
Regular Expression To Check Numeric, Java, Regular Expression