add regex validator

owrx/property/validators.py

@@ -1,6 +1,7 @@
 from abc import ABC, abstractmethod
 from functools import reduce
 from operator import or_
+import re
 
 
 class ValidatorException(Exception):
@@ -78,6 +79,14 @@ class NumberValidator(OrValidator):
         super().__init__(IntegerValidator(), FloatValidator())
 
 
+class RegexValidator(Validator):
+    def __init__(self, regex: re.Pattern):
+        self.regex = regex
+
+    def isValid(self, value):
+        return self.regex.match(value) is not None
+
+
 validator_types = {
     "string": StringValidator,
     "str": StringValidator,

test/property/validators/test_regex_validator.py

@@ -0,0 +1,13 @@
+from unittest import TestCase
+from owrx.property.validators import RegexValidator
+import re
+
+
+class RegexValidatorTest(TestCase):
+    def testMatchesRegex(self):
+        validator = RegexValidator(re.compile("abc"))
+        self.assertTrue(validator.isValid("abc"))
+
+    def testDoesntMatchRegex(self):
+        validator = RegexValidator(re.compile("abc"))
+        self.assertFalse(validator.isValid("xyz"))