统⼀社会信⽤代码正则
/**
* @description 校验18位的统⼀社会信⽤代码美图天下
* @author CaiCheng
* @date 2019年11⽉5⽇19:17:31
杨子烈*/
public static boolean isLicense18(String license) {
食品网络营销if(license.isEmpty()) {
return false;
}
颜氏家训pdf
if(license.length() != 18) {
return false;
}
String regex = "^([159Y]{1})([1239]{1})([0-9ABCDEFGHJKLMNPQRTUWXY]{6})([0-9ABCDEFGHJKLMNPQRTUWXY]{9})([0-90-9ABCDEFGHJKLMNPQR TUWXY])$";
if (!license.matches(regex)) {
return false;
}
//验证校验位
String str = "0123456789ABCDEFGHJKLMNPQRTUWXY";
int[] ws = { 1, 3, 9, 27, 19, 26, 16, 17, 20, 29, 25, 13, 8, 24, 10, 30, 28 };
String[] codes = new String[2];
半耕半读
codes[0] = license.substring(0, license.length() - 1);
codes[1] = license.substring(license.length() - 1, license.length());
int sum = 0;
for (int i = 0; i < 17; i++) {
sum += str.indexOf(codes[0].charAt(i)) * ws[i];
环氧树脂}
int c18 = 31 - (sum % 31);
if (c18 == 31) {
c18 = 30;
}
if (str.charAt(c18) != codes[1].charAt(0)) {
return false;
}
return true;
}
账号登录名或者密码6-16位数字和英⽂字母的正则
/**
* @description 校验字符串由6-16位的英⽂和数字组成
* @author CaiCheng
* @date 2019年11⽉5⽇19:17:31
*/
public static boolean isStringComposedByLetterAndNum(String str) {
if(str.isEmpty()) {
return false;
}
String regex = "^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,16}$";
return str.matches(regex);
}
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