/**
*
* 专门验证各种格式是否正确
*
*/
public class StringRegExUtil {
/**
* 判断字符是否为CJK字符集
*
* @param c
* @return
*/
public static boolean isChinese(char c) {
Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
|| ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
|| ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
|| ub == Character.UnicodeBlock.GENERAL_PUNCTUATION
|| ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
|| ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {
return true;
}
return false;
}
/**
* 判断字符是否是一个中文
*
* @param c
* @return
*/
public static boolean isChinessSimple(char c) {
int v = (int) c;
return (v >= 19968 && v <= 171941);
}
/**
* 判断字符串是否全是数字
*
* @param str
* @return
*/
public static boolean isNumeric(String str) {
if (str.matches("\\d*")) {
return true;
} else {
return false;
}
}
/**
* 验证手机号码
* (验证长度不超过11位，大于6位，只能为数字)
*
* @param str
* @return
*/
public static boolean validPhoneNum(String str) {
try {
if(TextUtils.isEmpty(str)){
return false;
}
int length = str.trim().length();
if(length > 11 || length < 6 ){
return false;
}
Long.parseLong(str);
return true;
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/**
* 验证邮政编码
* (长度6位，只能为数字)
*
* @param str
* @return
*/
public static boolean validPostCode(String str) {
try {
if(TextUtils.isEmpty(str)){
return false;
}
int length = str.trim().length();
if(length != 6 ){
return false;
}
Long.parseLong(str);
return true;
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/**
* 验证E_mail的合法性
*
* @param str
* @return
*/
public static boolean validMail(String str){
if(TextUtils.isEmpty(str)){
return false;
}
try {
String regex = "^([a-z0-9A-Z]+[-|._]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?.)+[a-zA-Z]{2,}$";
Pattern p = Pattern.compile(regex);
Matcher m = p.matcher(str);
return m.find();
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/**
* 验证身份证长度的合法性
* (只验证身份证长度15或18位)
*
* @param str
* @return
*/
public static boolean validIdCard(String str){
if(TextUtils.isEmpty(str)){
return false;
}
int length = str.trim().length();
if(length == 15 || length == 18){
return true;
}
return false;
}
/**
* 验证身份证号里面是否有除数字与字母x的身份证号
* @param str
* @return
*/
public static boolean validIdCardChar(String str) {
if(TextUtils.isEmpty(str)){
return false;
}
if (isNumeric(str)) {
return true;
} else {
String cTemp = str.substring(0, str.length() - 2);
if (cTemp != null && cTemp.length() == 17 && isNumeric(cTemp)) {
char endChar = str.charAt(str.length() - 1);
if (endChar == 'x' || endChar == 'X') {
return true;
}
}
}
return false;
}
/**
* 从字符串中获取中文的个数;
* @param str
* @return
*/
public static int countCharCNum (char[] cSum) {
if (cSum == null) return 0;
int i = 0;
for (char c : cSum) {
if (StringRegExUtil.isChinessSimple(c)) {
i++;
}
}
return i;
}
/**
*
* @param str从字符串中获取英文的个数;
* @return
*/
public static int countCharENum (char[] cSum) {
if (cSum == null) return 0;
int i = 0;
for (char c : cSum) {
if (Character.isLetter(c)) {
i++;
}
}
return i;
}
/**
*
* @param str从字符串中获取数字的个数;
* @return
*/
public static int countCharDNum (char[] cSum) {
if (cSum == null) return 0;
int i = 0;
for (char c : cSum) {
if (Character.isDigit(c)) {
i++;
}
}
return i;
}
}