Meto las expresiones regulares

src/main/java/com/carpooling/carpoolingaoraha/entidades/Usuario.java

 package com.carpooling.carpoolingaoraha.entidades;
 
-import com.carpooling.carpoolingaoraha.utils.ExprReg;
 import jakarta.persistence.*;
 import org.antlr.v4.runtime.misc.NotNull;
 
@@ -34,7 +33,7 @@ public class Usuario {
     @Id
     @NotNull
     @Size(min=9, max=9)
-    @Pattern(regexp = ExprReg.DNI)
+    @Pattern(regexp=Expr.Reg.DNI)
     private String DNI;
 
     @Size(min=9, max=9)

src/main/java/com/carpooling/carpoolingaoraha/utils/ExprReg.java

@@ -2,6 +2,10 @@ package com.carpooling.carpoolingaoraha.utils;
 
 public class ExprReg {
     public ExprReg(){}
-        public static final String DNI = "";
+    public static final String DNI = "\\\\d{8}[A-HJ-NP-TV-Z]";
+
+    public static final int TELEFONO = Integer.parseInt("^[67-9]\\d{8}$");
+    public static final String EMAIL = "^[A-Za-z0-9+_.-]+@(.+)$";
+    public static final String
 
 }