contao/core — pull request #7327 by iCodr8 (2014-09-18 09:42:36+00:00)
Title: Optimized phone number validation

I have optimized the phone validation didn't work correctly.

Before the change was this possible:
+49 7243 12 34 - 56
(49) 7243 12 34 - 56

After this change is the following number possible:
(+49) 7243 12 34 - 56