using regex validators in django models
from django.core.validators import RegexValidator from django.db import models PHONE_NUMBER_REGEX = RegexValidator(r'^[+]*[(]{0,1}[0-9]{1,4}[)]{0,1}[-s./0-9]*$', 'only valid email is required') class SomeClass(models.Model): phone = models.CharField(max_length=14, validators=[PHONE_REGEX])