Question

How to extract the first number from string in Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        String s = "412hjdsf72q1p0on8mqjava9953";

        String n = s.split("(?=\\D)")[0];

        System.out.println(n);
    }
}




/*
run:

412

*/

 

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