输入框限制输入中文

 onChange={(e) => {
     if (!/[u4E00-u9FA5]/i.test(e.target.value)) {
                  e.target.value = e.target.value.trim()
      } else {
                 e.target.value = e.target.value.replace(/[u4E00-u9FA5]/g, "");
       }
 }}

  

原文地址:https://www.cnblogs.com/lan-cheng/p/12083223.html