boolean matches(String regex)

/**

* 

* @description:验证车牌号

* @param carNum

*      豫A106EK

* @return 合法：true 不合法：false

*/

public static boolean validateCarNum(String carNum) {

boolean result = false;

String[] provence = new String[] { "京", "津", "冀", "晋", "辽", "吉", "黑", "沪", "苏", "浙", "皖", "闽", "赣", "鲁", "豫", "鄂", "湘", "粤", "桂", "琼", "渝",

"川", "黔", "滇", "藏", "陕", "甘", "青", "宁", "新", "港", "澳", "蒙" };

String reg = "[\u4e00-\u9fa5]{1}[A-Z]{1}[A-Z_0-9]{5}";

boolean firstChar = false;

if (carNum.length() > 0) {

firstChar = Arrays.asList(provence).contains(carNum.substring(0, 1));

}

try {

Pattern p = Pattern.compile(reg);

Matcher m = p.matcher(carNum);

if (m.matches() && firstChar) {

result = true;

} else {

result = false;

}

} catch (Exception e) {

e.printStackTrace();

}

return result;

}

/**

* 

* @description:验证手机号码

* @param mobileNum 15516985859

* @return 合法：true 不合法：false

*/

public static boolean isMobileNum(String mobileNum) {

boolean result = false;

try {

Pattern p = Pattern.compile("^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$");

Matcher m = p.matcher(mobileNum);

result = m.matches();

} catch (Exception e) {

e.printStackTrace();

}

return result;

}

//java检测是否为电话号码（手机、固定电话验证）

String legalPhone = "";
String regExp ="^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}|[0]{1}[0-9]{2,3}-[0-9]{7,8}$";
Pattern p = Pattern.compile(regExp);
Matcher m = p.matcher(importPotentialBFOs[i].getLegalPhone());
if(m.find()){ //注意：m.find只能用一次，第二次调用后都为false
 legalPhone = importPotentialBFOs[i].getLegalPhone();
 uploadTmp.setLegalTelephone(legalPhone);

}else{
 throw new BizException("联系电话格式错误!");
}

String[] arrs=new String[]{"a","1.123","-1.23","0","+111"};

      String regex="-?\\d+\\.?\\d*";

      Pattern p = Pattern.compile(regex);

      for (int i = 0; i < arrs.length; i++) {

       Matcher m = p.matcher(arrs[i]);

       System.out.println(arrs[i]+":"+m.matches());

 }