<?php $numbers = '0123456789'; $persian = '۱۲۳۴۵۶۷۸۹'; printf("Non-Unicode, ASCII numbers: %d\n", preg_match('/\d+/', $numbers)); printf("Non-Unicode, Persian numbers: %d\n", preg_match('/\d+/', $persian)); printf(" Unicode, ASCII numbers: %d\n", preg_match('/\d+/u', $numbers)); printf(" Unicode, Persian numbers: %d\n", preg_match('/\d+/u', $persian));
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