JS 控制不能输入特殊字符
1 | <input type="text"class="domain"onkeyup="this.value=this.value.replace(/[^u4e00-u9fa5w]/g,'')"; |
2 | this.value=this.value.replace(/[^u4e00-u9fa5w]/g,'') |
JS 控制文本框只能输入数字
1 | < input onkeyup = "value=value.replace(/[^0-9]/g,'')" onpaste = "value=value.replace(/[^0-9]/g,'')" oncontextmenu = " value =value.replace(/[^0-9]/g,'')"> |
JS 控制文本框只能输入数字、小数点
1 | < input onkeyup = "value=value.replace(/[^\0-9\.]/g,'')" onpaste = "value=value.replace(/[^\0-9\.]/g,'')" oncontextmenu = " value =value.replace(/[^\0-9\.]/g,'')"> |
JS 控制文本框只能输入英文
1 | < input onkeyup = "value=value.replace(/[^\a-\z\A-\Z]/g,'')" onpaste = "value=value.replace(/[^\a-\z\A-\Z]/g,'')" oncontextmenu = " value =value.replace(/[^\a-\z\A-\Z]/g,'')"> |
JS 控制文本框只能输入英文、数字
1 | < input onkeyup = "value=value.replace(/[^\a-\z\A-\Z0-9]/g,'')" onpaste = "value=value.replace(/[^\a-\z\A-\Z0-9]/g,'')" oncontextmenu = " value =value.replace(/[^\a-\z\A-\Z0-9]/g,'')"> |
JS 控制文本框只能输入中文
1 | < input onkeyup = "value=value.replace(/[^\u4E00-\u9FA5]/g,'')" onpaste = "value=value.replace(/[^\u4E00-\u9FA5]/g,'')" oncontextmenu = " value =value.replace(/[^\u4E00-\u9FA5]/g,'')"> |
JS 控制文本框只能输入中文、英文、数字
1 | < input onkeyup = "value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5]/g,'')" onpaste = "value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5]/g,'')" oncontextmenu = " value =value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5]/g,'')"> |
JS 控制文本框只能输入中文、英文、数字、空格
1 | < input onkeyup = "value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\ ]/g,'')" onpaste = "value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\ ]/g,'')" oncontextmenu = " value =value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\ ]/g,'')"> |
JS 控制文本框只能输入中文、英文、数字、小数点
1 | < input onkeyup = "value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\.]/g,'')" onpaste = "value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\.]/g,'')" oncontextmenu = " value =value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\.]/g,'')"> |