Java regular expression validation mailbox phone number example
- 2020-04-01 03:08:05
- OfStack
The following code USES regular expressions to validate the input format to include the authentication mailbox and the authentication mobile phone number
package com.firewolf.utils;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Use regular expressions to validate the input format
* @author liuxing
*
*/
public class RegexValidateUtil {
public static void main(String[] args) {
System.out.println(checkEmail("14_8@qw.df"));
System.out.println(checkMobileNumber("071-3534452"));
}
/**
* Validation email
* @param email
* @return
*/
public static boolean checkEmail(String email){
boolean flag = false;
try{
String check = "^([a-z0-9A-Z]+[-|_|\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\.)+[a-zA-Z]{2,}$";
Pattern regex = Pattern.compile(check);
Matcher matcher = regex.matcher(email);
flag = matcher.matches();
}catch(Exception e){
flag = false;
}
return flag;
}
/**
* Verify phone number
* @param mobiles
* @return
*/
public static boolean checkMobileNumber(String mobileNumber){
boolean flag = false;
try{
Pattern regex = Pattern.compile("^(((13[0-9])|(15([0-3]|[5-9]))|(18[0,5-9]))\d{8})|(0\d{2}-\d{8})|(0\d{3}-\d{7})$");
Matcher matcher = regex.matcher(mobileNumber);
flag = matcher.matches();
}catch(Exception e){
flag = false;
}
return flag;
}
}
PS: here for you to provide two very convenient regular expression tools for your reference:
JavaScript regular expression online testing tool:
(link: http://tools.jb51.net/regex/javascript)
Regular expression online generation tool:
(link: http://tools.jb51.net/regex/create_reg)