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<?php $tests = [ '+2347036756899', '+234-7036-756899', '+2347036-756899', '+234-7036756899', '07036756899', '0-7036756899', '07036-756899', '08036756899', ]; foreach ($tests as $test) { printf( "%20s : %s\n", $test, preg_match('/^(?:\+234(-)?|0)(?:[78]0|81)\d{2}(?(1)-|)\d{6}$/', $test) ? '✅' : '❌' ); }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
+2347036756899 : ✅ +234-7036-756899 : ✅ +2347036-756899 : ❌ +234-7036756899 : ❌ 07036756899 : ✅ 0-7036756899 : ❌ 07036-756899 : ❌ 08036756899 : ✅
preferences:
78.81 ms | 402 KiB | 61 Q