57c57
< 				\(2\)\s(2|3)\d{3}\s\d{4}								# 8-digit numbers begining with 2 or 3 (Greater Cairo: Cairo and Giza, both having area code = 2)
---
> 				\(2\)\s(2|3)\d{3}\s\d{3}								# 8-digit numbers begining with 2 or 3 (Greater Cairo: Cairo and Giza, both having area code = 2)