How to find out different date format in a string and replace this place as a mask character

How to find out different date format in a string and replace this place as a mask character

package com.kartik.date.format;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 
 * @author kmandal
 *
 */
public class RegexMatches {

private static final String[] formats = {
                  "((1[0-2]|[0-2][1-9]):[0-5][0-9](:[0-5][0-9])?(.[0-9]?[0-9]?[0-9])?(\\s)?(?i)(AM|PM|am|pm))",
                  "(([0-1][1-9]|2[0-3]):[0-5][0-9](:[0-5][0-9])?(.[0-9]?[0-9]?[0-9])?)",
                  "(?i)(on|On|ON|Value Date:|Effective Date:|Effective On:|date --|date:|--)?(\\s)?(([(0-3)|x|X])([(0-3)|x|X]))([/-])((0?[1-9])|(1[0-2]))([/-])(19|20)?([x|X|\\d][x|X|\\d])?",
                  "(?i)(on|On|ON|Value Date:|Effective Date:|Effective On:|date --|date:|--)?(\\s)?(0?[x|X|(1-9)]|[12][0-9]|3[01])([/-])(0?([1-9]|1[012]))([/-])((19|20)[x|X|\\d][x|X|\\d])",
                  "(?i)(on|On|ON|Value Date:|Effective Date:|Effective On:|date --|date:|--)?(\\s)?(0?[x|X|(1-9)]|1[012])([/-])(0?([1-9]|[12][0-9]|3[01]))([/-])((19|20)[x|X|\\d][x|X|\\d])",
                  "(?i)(on|On|ON|Value Date:|Effective Date:|Effective On:|date --|date:|--)?(\\s)?(0?[x|X|(1-9)]|[12][0-9]|3[01])([/-])((0?[1-9])|(1[0-2]))([/-])([x|X|\\d][x|X|\\d])?",
                  "(?i)(on|On|ON|Value Date:|Effective Date:|Effective On:|date --|date:|--)?(\\s)?(0?[x|X|(1-9)]|[12][0-9]|3[01])([/-])([0-9][0-9])(([/-])([x|X|\\d][x|X|\\d]))?",
                  
                  };

 public static void main(String args[]) {
  // String to be scanned to find the pattern.
  String line = "This is Kartik Born was 25/02/1986 placed at Saharda for QT3000! OK? and died on 03/24/2015 Mandal Exact time 24-02-1986 10:10:30.0 AM card number xxxx, $ 00,00, on 05/10 or 11/10/17 02:24:00 PM . If you don't recognize call 40032 2412. 11/11 22:24:00";

  // Create a Pattern object
  for (int i = 0; i < formats.length; i++) {
   int k = 0;
   String[] convertArray = new String[100];
   String replaceDate;
   Pattern pattern = Pattern.compile(formats[i]);
   // Now create matcher object.
   Matcher match = pattern.matcher(line);
   while (match.find()) {
    convertArray[k] = match.group();
    k++;
   }

   for (int j = 0; j < k; j++) {
    replaceDate = "";
    line = line.replaceAll(convertArray[j], replaceDate);
   }
  }
  System.out.println(line);

 }
}

Out Put :This is Kartik Born was ++++ placed at Saharda for QT3000! OK? and died ++++ ++++ Mandal Exact time ++++ ++++ card number xxxx, $ 00,00, ++++ ++++ or ++++ ++++ . If you d++++'t recognize call 40032 2412. ++++ ++++

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About Kartik Chandra Mandal

I am Kartik Chandra Mandal from Bangalore, India. Working as software engineer in Java technology. Have good knowledge of OWASP and CSRF in security for applications and it's implementation in Java technology.

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