What39s the proper way to disall

What's the proper way to disallow digits in a pattern in html? - Stack Overflow
I have this pattern [a-z0-9.+-_%]+@[a-z.-]+.[a-z]{2,}$ that's supposed to only allow letters a-z.
What39s the proper way to disallow digits in a pattern in htmlStack Overflow
admin8小时前
30