<?php $strings = [ "1 800-555-1111", "1 222-555-1111", "888-555-1111", "1 888 555 1111", "1 ", "1 2" ]; $pattern = '/^1\h+(?=\d(?:[^\d\n\r]?\d){9}$)/'; foreach ($strings as $s) { echo preg_replace($pattern, '', $s) . PHP_EOL; }
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Value for `_results` contains invalid data `array`