From cbca89358c8e5da5071d6d42ce15cb9be7ccc030 Mon Sep 17 00:00:00 2001
From: Fedya Skitsko <fedya.skitsko@gmail.com>
Date: Thu, 3 Oct 2013 13:47:42 +0300
Subject: [PATCH] Restrict user to type month more than 12

---
 .../Cells/RETableViewCreditCardCell.m               | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/RETableViewManager/Cells/RETableViewCreditCardCell.m b/RETableViewManager/Cells/RETableViewCreditCardCell.m
index 1582b60..6216c95 100644
--- a/RETableViewManager/Cells/RETableViewCreditCardCell.m
+++ b/RETableViewManager/Cells/RETableViewCreditCardCell.m
@@ -302,4 +302,17 @@ static inline NSString * RECreditCardType(NSString *creditCardNumber)
     return YES;
 }
 
+-(BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
+    if (textField == self.expirationDateField) {
+        if (range.location == 1) {
+            NSInteger month = [NSString stringWithFormat:@"%@%@", self.expirationDateField.text, string].integerValue;
+            if (month > 12) {
+                return NO;
+            }
+        }
+    }
+    
+    return YES;
+}
+
 @end