Examples of regular verification of mobile phone number, email address, ID card, and bank card

var myreg = /^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\d{8})$/;

/^[a-z0-9]+([._\\-]*[a-z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+$/i

var isIDCard1=/^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$/;var isIDCard2=/^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}([0-9]|X)$/;

function luhmCheck(bankno){var lastNum=bankno.substr(bankno.length-1,1);//取出最后一位（与luhm进行比较）var first15Num=bankno.substr(0,bankno.length-1);//前15或18位var newArr=new Array();for(var i=first15Num.length-1;i>-1;i--){    //前15或18位倒序存进数组newArr.push(first15Num.substr(i,1));
        }var arrJiShu=new Array();  //奇数位*2的积 <9var arrJiShu2=new Array(); //奇数位*2的积 >9var arrOuShu=new Array();  //偶数位数组for(var j=0;j<newArr.length;j++){if((j+1)%2==1){//奇数位if(parseInt(newArr[j])*2<9)
                    arrJiShu.push(parseInt(newArr[j])*2);elsearrJiShu2.push(parseInt(newArr[j])*2);
            }else //偶数位                arrOuShu.push(newArr[j]);
        }var jishu_child1=new Array();//奇数位*2 >9 的分割之后的数组个位数var jishu_child2=new Array();//奇数位*2 >9 的分割之后的数组十位数for(var h=0;h<arrJiShu2.length;h++){
            jishu_child1.push(parseInt(arrJiShu2[h])%10);
            jishu_child2.push(parseInt(arrJiShu2[h])/10);        }var sumJiShu=0; //奇数位*2 < 9 的数组之和var sumOuShu=0; //偶数位数组之和var sumJiShuChild1=0; //奇数位*2 >9 的分割之后的数组个位数之和var sumJiShuChild2=0; //奇数位*2 >9 的分割之后的数组十位数之和var sumTotal=0;for(var m=0;m<arrJiShu.length;m++){
            sumJiShu=sumJiShu+parseInt(arrJiShu[m]);
        }for(var n=0;n<arrOuShu.length;n++){
            sumOuShu=sumOuShu+parseInt(arrOuShu[n]);
        }for(var p=0;p<jishu_child1.length;p++){
            sumJiShuChild1=sumJiShuChild1+parseInt(jishu_child1[p]);
            sumJiShuChild2=sumJiShuChild2+parseInt(jishu_child2[p]);
        }//计算总和sumTotal=parseInt(sumJiShu)+parseInt(sumOuShu)+parseInt(sumJiShuChild1)+parseInt(sumJiShuChild2);//计算Luhm值var k= parseInt(sumTotal)%10==0?10:parseInt(sumTotal)%10;var luhm= 10-k;if(lastNum==luhm){return true;
        }else{return false;
        }
    }