摘要: //验证用户名的正则$user_name = 'user_name12';if (preg_match('/^[a-z\d_]{5,20}$/i', $user_name)) {echo 'your username is ok' . PHP_EOL . '';} else {echo 'your ... 阅读全文
posted @ 2015-04-23 17:06 php点点滴滴 阅读(190) 评论(0) 推荐(0)
摘要: //验证用户名的正则$user_name = 'user_name12';if (preg_match('/^[a-z\d_]{5,20}$/i', $user_name)) {echo 'your username is ok' . PHP_EOL . '';} else {echo 'your ... 阅读全文
posted @ 2015-04-23 17:05 php点点滴滴 阅读(191) 评论(0) 推荐(0)