js 正则表达式

不允许汉字

state.rulesForm.username = value.replace(/\\u4e00-\\u9fa5/gi, "");

只允许数字和字母

state.rulesForm.username = value.replace(/\^a-zA-Z0-9+/g, "");

只允许数字

state.rulesForm.qlmId = value.replace(/\^0-9/g, "");

只允许数字和字母和符号

this.form.username = this.form.username.replace(/\^a-zA-Z0-9@#$%\^\&\*()._+=?\\-,+/g, "");

只允许字母和汉字

this.form.contact = this.form.contact.replace(/\^A-Za-z\\u4e00-\\u9fa5+/g, "");

写法1

onInput(){

state.rulesForm.qlmId = value.replace(/\^0-9/g, "");

}

写法1

<el-input v-model="form.mobilePhone" placeholder="请输入手机号" maxlength="11" οninput="value=value.replace(/\^\\d\\-\\d/g,'')">

</el-input>