check if string contains numbers
str.matches(".*\\d.*");check if string contains numbers
str.matches(".*\\d.*");isnumber java
// find value is number or not in java..
// if the value is number output is true
// if the value is not a number then output is false..
public class Test {
public static void main(String args[]) {
System.out.println(Character.isDigit('c')); // false
System.out.println(Character.isDigit('5')); // true
}
}check if the given string is a number
//Add this to your code and call
static private boolean isMyNumber(String s){
try{
Integer.parseInt(s);
return true;
}catch (Exception e){
return false;
}
}check if string can be a number and then make a number
if(Number(myNumber) != NaN){
myNumber = Number(myNumber);
}Copyright © 2021 Codeinu
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