From 4a786b37c7b11464e823d49421762ec89c506852 Mon Sep 17 00:00:00 2001
From: Raphael Roberts <raphael.roberts48@gmail.com>
Date: Sun, 11 Nov 2018 01:35:25 -0600
Subject: [PATCH] using regex to sanitize input

---
 hangman.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/hangman.py b/hangman.py
index 3dcd298..72f0f6e 100644
--- a/hangman.py
+++ b/hangman.py
@@ -90,10 +90,9 @@ def print_likely_chars(remaining_letters,let_freq):
 
 negatives = set()
 def iterate(word_list,let_freq):
-    entered_word = input(PROMPT)
+    entered_word = re.sub(r'[^a-z\.]','',input(PROMPT))
     negative_letters = re.findall('[a-z]',input(NEG_PROMPT))
     negatives.update(negative_letters)
-    entered_word = entered_word.replace(' ','')
     entered_letters = set(letter for letter in entered_word.replace('.',''))
     remaining_letters = set(filter(lambda letter: letter in ALPHABET,let_freq.keys())) - entered_letters - negatives
     regex = entered_word.replace('.','[{}]'.format(''.join(remaining_letters))) + '$'