package com.fsti.icop.util.regexp;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public final class RegExpValidatorUtils {
/**
* Verify email
*
* @param String to be validated
* @return If it is a matching string, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean isEmail(String str) {
String regex = "^([\\w-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([\\w-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
return match(regex, str);
}
/**
* Verify IP address
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean isIP(String str) {
String num = "(25[0-5]|2[0-4]\\d|[0-1]\\d{2}|[1-9]?\\d)";
String regex = "^" + num + "\\." + num + "\\." + num + "\\." + num + "$";
return match(regex, str);
}
/**
* Verify URL Url
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsUrl(String str) {
String regex = "http(s)?://([\\w-]+\\.)+[\\w-]+(/[\\w- ./?%&=]*)?";
return match(regex, str);
}
/**
* Verify phone number
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsTelephone(String str) {
String regex = "^(\\d{3,4}-)?\\d{6,8}$";
return match(regex, str);
}
/**
* Verify input password conditions (characters and data appear at the same time)
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsPassword(String str) {
String regex = "[A-Za-z]+[0-9]";
return match(regex, str);
}
/**
* Verify the length of the input password (6-18 digits)
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsPasswLength(String str) {
String regex = "^\\d{6,18}$";
return match(regex, str);
}
/**
* Validate the zip code entered
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsPostalcode(String str) {
String regex = "^\\d{6}$";
return match(regex, str);
}
/**
* Verify the entered mobile number
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsHandset(String str) {
String regex = "^[1]+[3,5]+\\d{9}$";
return match(regex, str);
}
/**
* Verify input ID number
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsIDcard(String str) {
String regex = "(^\\d{18}$)|(^\\d{15}$)";
return match(regex, str);
}
/**
* Validate input with two decimal places
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsDecimal(String str) {
String regex = "^[0-9]+(.[0-9]{2})?$";
return match(regex, str);
}
/**
* Validate 12 months of the year entered
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsMonth(String str) {
String regex = "^(0?[[1-9]|1[0-2])$";
return match(regex, str);
}
/**
* Validate entering 31 days of the month
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsDay(String str) {
String regex = "^((0?[1-9])|((1|2)[0-9])|30|31)$";
return match(regex, str);
}
/**
* Verify date and time
*
* @param String to be validated
* @return If it is a string that matches the URL format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean isDate(String str) {
// Strictly verify the time format (match [2002-01-31], [1997-04-30],
// [2004-01-01]) does not match ([2002-01-32], [2003-02-29], [04-01-01])
// String regex =
// "^((((19|20)(([02468][048])|([13579][26]))-02-29))|((20[0-9][0-9])|(19[0-9][0-9]))-((((0[1-9])|(1[0-2]))-((0[1-9])|(1\\d)|(2[0-8])))|((((0[13578])|(1[02]))-31)|(((01,3-9])|(1[0-2]))-(29|30)))))$";
// YYYY-MM-DD without time verification
// String regex =
// "^((((1[6-9]|[2-9]\\d)\\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\\d|3[01]))|(((1[6-9]|[2-9]\\d)\\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\\d|30))|(((1[6-9]|[2-9]\\d)\\d{2})-0?2-(0?[1-9]|1\\d|2[0-8]))|(((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$";
// YYYY-MM-DD 00:00:00 with time validation added
String regex = "^((((1[6-9]|[2-9]\\d)\\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\\d|3[01]))|(((1[6-9]|[2-9]\\d)\\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\\d|30))|(((1[6-9]|[2-9]\\d)\\d{2})-0?2-(0?[1-9]|1\\d|2[0-8]))|(((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?\\d):[0-5]?\\d:[0-5]?\\d$";
return match(regex, str);
}
/**
* Validate numeric input
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsNumber(String str) {
String regex = "^[0-9]*$";
return match(regex, str);
}
/**
* Verify non-zero positive integer
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsIntNumber(String str) {
String regex = "^\\+?[1-9][0-9]*$";
return match(regex, str);
}
/**
* Verify capital letters
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsUpChar(String str) {
String regex = "^[A-Z]+$";
return match(regex, str);
}
/**
* Validate lowercase letters
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsLowChar(String str) {
String regex = "^[a-z]+$";
return match(regex, str);
}
/**
* Validation validates the input letters
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsLetter(String str) {
String regex = "^[A-Za-z]+$";
return match(regex, str);
}
/**
* Validate the input Chinese characters
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsChinese(String str) {
String regex = "^[\u4e00-\u9fa5],{0,}$";
return match(regex, str);
}
/**
* Validate the validation input string
*
* @param String to be validated
* @return If it is a string that conforms to the format, return <b>true </b>, otherwise <b>false </b>
*/
public static boolean IsLength(String str) {
String regex = "^.{8,}$";
return match(regex, str);
}
/**
* @param regex
* regular expression string
* @param str
* string to match
* @return If str conforms to the regular expression format of regex, return true, otherwise return false;
*/
private static boolean match(String regex, String str) {
Pattern pattern = Pattern.compile(regex);
Matches matches = pattern.matcher (str);
return matcher.matches();
}
// 3. Check the string for repeated words
//
// private void btnWord_Click(object sender, EventArgs e)
// {
// System.Text.RegularExpressions.MatchCollection matches =
// System.Text.RegularExpressions.Regex.Matches(label1.Text,
//
// @"\b(?<word>\w+)\s+(\k<word>)\b",
// System.Text.RegularExpressions.RegexOptions.Compiled |
// System.Text.RegularExpressions.RegexOptions.IgnoreCase);
// if (matches.Count != 0)
// {
// foreach (System.Text.RegularExpressions.Match match in matches)
// {
// string word = match.Groups["word"].Value;
// MessageBox.Show(word.ToString(),"English word");
// }
// }
// else { MessageBox.Show("No repeated words"); }
//
//
// }
//
// 4. Replace the string
//
// private void button1_Click(object sender, EventArgs e)
// {
//
// string strResult =
// System.Text.RegularExpressions.Regex.Replace(textBox1.Text,
// @"[A-Za-z]\*?", textBox2.Text);
// MessageBox.Show("Previous character: " + "\n" + textBox1.Text + "\n" + "Replaced character: " + "\n"
// + textBox2.Text + "\n" +
//
// "Replaced characters:" + "\n" + strResult,"Replace");
//
// }
//
// 5. Split the string
//
// private void button1_Click(object sender, EventArgs e)
// {
// //Example: A 025-8343243 B 0755-2228382 C 029-32983298389289328932893289 D
// foreach (string s in
// System.Text.RegularExpressions.Regex.Split(textBox1.Text,@"\d{3,4}-\d*"))
// {
// textBox2.Text+=s; //Output "A, B, C, D" in turn
// }
//
// }
}