常用正则

校验ip

export const isIp = (ip) => {
    var reg_ip = /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/g;
    let reg = new RegExp(reg_ip)
    return reg.test(ip) ? true : false;
}

url

export const isUrl = (url) => {
    let reg_url = /^((https|http|ftp|rtsp|mms):\/\/)(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?(([0-9]{1,3}.){3}[0-9]{1,3}|([0-9a-z_!~*'()-]+.)*([0-9a-z][0-9a-z-]{0,61})?[0-9a-z].[a-z]{2,6})(:[0-9]{1,4})?((\/?)|(\/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+\/?)$/;
    var reg = new RegExp(reg_url);
    return reg.test(url) ? true : false;
}

邮箱

/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/

端口

0-65535
/^([0-9]|[1-9]\d{1,3}|[1-5]\d{4}|6[0-4]\d{3}|65[0-4]\d{2}|655[0-2]\d|6553[0-5])$/