8 (900) 333-22-22
8 (900) 22-333-22
8 (900) 22-22-333
8 (900) 4444-333
8 (900) 22-22-333
8 (900) 333-1-333
+7 (900) 333-22-22
+7 (900) 22-333-22
+7 (900) 22-22-333
+7 (900) 4444-333
+7 (900) 22-22-333
+7 (900) 333-1-333
8 (900) 333 22 22
8 (900) 22 333 22
8 (900) 22 22 333
8 (900) 4444 333
8 (900) 22 22 333
8 (900) 333 1 333
+7 (900) 333 22 22
+7 (900) 22 333 22
+7 (900) 22 22 333
+7 (900) 4444 333
+7 (900) 22 22 333
+7 (900) 333 1 333
new Regex(@"(7|8)?\s*(\(|-|\s)?\d{3}(\)|-|\s)?\s*\d{3}(-|\s)?\d{2}(-|\s)?\d{2}([^\d]|$)", RegexOptions.Compiled)