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<?php $values = '222-333-4545'; if (strlen($values) > 0 && !preg_match('/^[1]{0,1}-[0-9]{3}-[0-9]{3}-[0-9]{3,4}$/', $values)) { $err_msg[4] = ('Phone number must be in format xxx-nnn-nnnn.'); echo $err_msg[4]; }
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Phone number must be in format xxx-nnn-nnnn.

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151.11 ms | 403 KiB | 168 Q