import java.util.regex.*;
import java.util.*;
class T {
public static void main
(String[] args
) {
carID = "J1234";
System.
out.
println(carID.
matches("^[A-Za-z]\\d{4}$") ? "match": "does not match");
carID = "J123456";
System.
out.
println(carID.
matches("^[A-Za-z]\\d{4}$") ? "match": "does not match"); }
}
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