Codewars kata

Author: Jean-carje

README.md

@@ -12,6 +12,7 @@ My code solutions to Codewars problems
 ------------------------------ | ---------- 
 [Calculating With Functions](https://www.codewars.com/kata/525f3eda17c7cd9f9e000b39/train/python)   | [Soluction](python/5_kyu/Calculating_With_Functions.py)  
 [Write out numbers](https://www.codewars.com/kata/52724507b149fa120600031d/)   | [Soluction](python/5_kyu/Write_out_numbers.py)  
+[Regex Password Validation](https://www.codewars.com/kata/52e1476c8147a7547a000811)   | [Soluction](python/5_kyu/Regex_Password_Validation.py)  
 
 **6-kyu** 
         Problems/Kata         |  Solution  

python/5_kyu/Regex_Password_Validation.py

@@ -0,0 +1,42 @@
+# Kata link:
+# https://www.codewars.com/kata/52e1476c8147a7547a000811
+
+# -------------------------------------
+# Instructions:
+'''
+You need to write regex that will validate a password to make sure it meets the following criteria:
+
+At least six characters long
+contains a lowercase letter
+contains an uppercase letter
+contains a number
+Valid passwords will only be alphanumeric characters.
+
+'''
+# -------------------------------------
+# Solution:
+
+regex="^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])[a-zA-Z\d]{6,}$"
+
+
+# -------------------------------------
+# Basic Tests
+from re import search
+print(bool(search(regex, 'fjd3IR9')), True)
+print(bool(search(regex, 'ghdfj32')), False)
+print(bool(search(regex, 'DSJKHD23')), False)
+print(bool(search(regex, 'dsF43')), False)
+print(bool(search(regex, '4fdg5Fj3')), True)
+print(bool(search(regex, 'DHSJdhjsU')), False)
+print(bool(search(regex, 'fjd3IR9.;')), False)
+print(bool(search(regex, 'fjd3  IR9')), False)
+print(bool(search(regex, 'djI38D55')), True)
+print(bool(search(regex, 'a2.d412')), False)
+print(bool(search(regex, 'JHD5FJ53')), False)
+print(bool(search(regex, '!fdjn345')), False)
+print(bool(search(regex, 'jfkdfj3j')), False)
+print(bool(search(regex, '123')), False)
+print(bool(search(regex, 'abc')), False)
+print(bool(search(regex, '123abcABC')), True)
+print(bool(search(regex, 'ABC123abc')), True)
+print(bool(search(regex, 'Password123')), True)