It's perfectly valid to add input filtering on top of type=email if you want to further restrict the input set. Maybe you hate people with gmail addresses or only want to allow email addresses at your local firm (both examples from before!). In that case, having a more restrictive pattern makes sense.
Pentagon believes U.S. struck Iran girls elementary school, killing 150。业内人士推荐新收录的资料作为进阶阅读
�@�uiPhone 17e�v��3��10���ɔ����ƂȂ��B，这一点在新收录的资料中也有详细论述
Go to worldnews，推荐阅读新收录的资料获取更多信息
伊朗迎戰之策分析：以耐力與嚇阻為核心的高風險戰略