Fixed validation for special phone numbers (#19)

Fixes #16 

1 files changed, 2 insertions, 1 deletions

diff --git a/src/edify/library/phone.py b/src/edify/library/phone.py
index 90ab535..362fa97 100644
--- a/src/edify/library/phone.py
+++ b/src/edify/library/phone.py
@@ -1,6 +1,7 @@
 import re
 
 pattern = "^\\+?\\d{1,4}?[-.\\s]?\\(?\\d{1,3}?\\)?[-.\\s]?\\d{1,4}[-.\\s]?\\d{1,4}[-.\\s]?\\d{1,9}$"
+special_pattern = r"^\d{2,4}"
 
 
 def phone_number(phone: str) -> bool:
@@ -12,7 +13,7 @@ def phone_number(phone: str) -> bool:
         bool: True if the string is a valid phone number, False otherwise.
     """
 
-    if re.match(pattern, phone):
+    if re.match(pattern, phone) or re.match(special_pattern, phone):
         return True
     else:
         return False