Java regular expression validation utility class
- 2020-04-01 03:45:13
- OfStack
Share a utility class that USES regular expressions to validate phone Numbers, id Numbers, date formats, urls, emails, and so on
package com.eabax.util;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Validation utility class
* @author admin
*
*/
public class Validation {
//---- constant definition & NBSP; < br / >
/**
* Email Regular expression ="^([a-z0-9A-Z]+[-|\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\.)+[a-zA-Z]{2,}$";
*/
//public static final String EMAIL = "^([a-z0-9A-Z]+[-|\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\.)+[a-zA-Z]{2,}$";;
public static final String EMAIL = "\w+(\.\w+)*@\w+(\.\w+)+";
/**
* Regular expressions for phone Numbers = (^(d{2,4}[-_ - - ]?)?d{3,8}([-_ - - ]?d{3,8})?([-_ - - ]?d{1,7})?$)|(^0?1[35]d{9}$)
*/
public static final String PHONE = "(^(\d{2,4}[-_ - - ]?)?\d{3,8}([-_ - - ]?\d{3,8})?([-_ - - ]?\d{1,7})?$)|(^0?1[35]\d{9}$)" ;
/**
* Regular expressions for cell phone Numbers =^(13[0-9]|15[0-9]|18[0-9])d{8}$
*/
public static final String MOBILE ="^(13[0-9]|15[0-9]|18[0-9])\d{8}$";
/**
* Integer Regular expression ^-?(([1-9]d*$)|0)
*/
public static final String INTEGER = "^-?(([1-9]\d*$)|0)";
/**
* Positive integer regular expression >=0 ^[1-9]d*|0$
*/
public static final String INTEGER_NEGATIVE = "^[1-9]\d*|0$";
/**
* Negative integer regular expression <=0 ^-[1-9]d*|0$
*/
public static final String INTEGER_POSITIVE = "^-[1-9]\d*|0$";
/**
* Double Regular expression ^-?([1-9]d*.d*|0.d*[1-9]d*|0?.0+|0)$
*/
public static final String DOUBLE ="^-?([1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0)$";
/**
* is Double Regular expression >=0 ^[1-9]d*.d*|0.d*[1-9]d*|0?.0+|0$
*/
public static final String DOUBLE_NEGATIVE ="^[1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0$";
/**
* negative Double Regular expression <= 0 ^(-([1-9]d*.d*|0.d*[1-9]d*))|0?.0+|0$
*/
public static final String DOUBLE_POSITIVE ="^(-([1-9]\d*\.\d*|0\.\d*[1-9]\d*))|0?\.0+|0$";
/**
* Age regular expression ^(?:[1-9][0-9]?|1[01][0-9]|120)$ matching 0-120 At the age of
*/
public static final String AGE="^(?:[1-9][0-9]?|1[01][0-9]|120)$";
/**
* Postcode regular expression [0-9]d{5}(?!d) domestic 6 A zip code
*/
public static final String CODE="[0-9]\d{5}(?!\d)";
/**
* Match by number, 26 A string of English letters or underscores ^w+$
*/
public static final String STR_ENG_NUM_="^\w+$";
/**
* Match by number and 26 A string of English letters ^[A-Za-z0-9]+$
*/
public static final String STR_ENG_NUM="^[A-Za-z0-9]+";
/**
* Matched by 26 A string of English letters ^[A-Za-z]+$
*/
public static final String STR_ENG="^[A-Za-z]+$";
/**
* Filter special string regularization
* regEx="[`~!@#$%^&*()+=|{}':;',\[\].<>/?~ ! @# RMB % ... &* () - +|{} 【 】 '; : "" ' . ,,? ]";
*/
public static final String STR_SPECIAL="[`~!@#$%^&*()+=|{}':;',\[\].<>/?~ ! @# RMB % ... &* () - +|{} 【 】 '; : "" ' . ,,? ]";
/***
* The date of the regular Support:
* YYYY-MM-DD
* YYYY/MM/DD
* YYYY_MM_DD
* YYYYMMDD
* YYYY.MM.DD In the form of
*/
public static final String DATE_ALL="((^((1[8-9]\d{2})|([2-9]\d{3}))([-\/\._]?)(10|12|0?[13578])([-\/\._]?)(3[01]|[12][0-9]|0?[1-9])$)" +
"|(^((1[8-9]\d{2})|([2-9]\d{3}))([-\/\._]?)(11|0?[469])([-\/\._]?)(30|[12][0-9]|0?[1-9])$)" +
"|(^((1[8-9]\d{2})|([2-9]\d{3}))([-\/\._]?)(0?2)([-\/\._]?)(2[0-8]|1[0-9]|0?[1-9])$)|(^([2468][048]00)([-\/\._]?)(0?2)([-\/\._]?)(29)$)|(^([3579][26]00)" +
"([-\/\._]?)(0?2)([-\/\._]?)(29)$)" +
"|(^([1][89][0][48])([-\/\._]?)(0?2)([-\/\._]?)(29)$)|(^([2-9][0-9][0][48])([-\/\._]?)" +
"(0?2)([-\/\._]?)(29)$)" +
"|(^([1][89][2468][048])([-\/\._]?)(0?2)([-\/\._]?)(29)$)|(^([2-9][0-9][2468][048])([-\/\._]?)(0?2)" +
"([-\/\._]?)(29)$)|(^([1][89][13579][26])([-\/\._]?)(0?2)([-\/\._]?)(29)$)|" +
"(^([2-9][0-9][13579][26])([-\/\._]?)(0?2)([-\/\._]?)(29)$))";
/***
* The date of the regular Support:
* YYYY-MM-DD
*/
public static final String DATE_FORMAT1="(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})-(((0[13578]|1[02])-(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)-(0[1-9]|[12][0-9]|30))|(02-(0[1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})(0[48]|[2468][048]|[13579][26])|((0[48]|[2468][048]|[3579][26])00))-02-29)";
/**
* URL Regular expression
* matching http www ftp
*/
public static final String URL = "^(http|www|ftp|)?(://)?(\w+(-\w+)*)(\.(\w+(-\w+)*))*((:\d+)?)(/(\w+(-\w+)*))*(\.?(\w)*)(\?)?" +
"(((\w*%)*(\w*\?)*(\w*:)*(\w*\+)*(\w*\.)*(\w*&)*(\w*-)*(\w*=)*(\w*%)*(\w*\?)*" +
"(\w*:)*(\w*\+)*(\w*\.)*" +
"(\w*&)*(\w*-)*(\w*=)*)*(\w*)*)$";
/**
* Id regular expression
*/
public static final String IDCARD="((11|12|13|14|15|21|22|23|31|32|33|34|35|36|37|41|42|43|44|45|46|50|51|52|53|54|61|62|63|64|65)[0-9]{4})" +
"(([1|2][0-9]{3}[0|1][0-9][0-3][0-9][0-9]{3}" +
"[Xx0-9])|([0-9]{2}[0|1][0-9][0-3][0-9][0-9]{3}))";
/**
* Organization code
*/
public static final String JIGOU_CODE = "^[A-Z0-9]{8}-[A-Z0-9]$";
/**
* A string of matching Numbers ^[0-9]+$
*/
public static final String STR_NUM = "^[0-9]+$";
////---- verification method & NBSP; < br / >
/**
* Determines if the field is empty In return ture
* @param str
* @return boolean
*/
public static synchronized boolean StrisNull(String str) {
return null == str || str.trim().length() <= 0 ? true : false ;
}
/**
* Determine that the field is not empty In return ture
* @param str
* @return boolean
*/
public static boolean StrNotNull(String str) {
return !StrisNull(str) ;
}
/**
* string null Turn the empty
* @param str
* @return boolean
*/
public static String nulltoStr(String str) {
return StrisNull(str)?"":str;
}
/**
* string null Assign default values
* @param str Target string
* @param defaut The default value
* @return String
*/
public static String nulltoStr(String str,String defaut) {
return StrisNull(str)?defaut:str;
}
/**
* Determines whether the field is Email In return ture
* @param str
* @return boolean
*/
public static boolean isEmail(String str) {
return Regular(str,EMAIL);
}
/**
* Determine if it is a phone number In return ture
* @param str
* @return boolean
*/
public static boolean isPhone(String str) {
return Regular(str,PHONE);
}
/**
* Determine if it is a cell phone number In return ture
* @param str
* @return boolean
*/
public static boolean isMobile(String str) {
return Regular(str,MOBILE);
}
/**
* Determine whether Url In return ture
* @param str
* @return boolean
*/
public static boolean isUrl(String str) {
return Regular(str,URL);
}
/**
* Determines whether the field is a number The positive and negative integers Floating point number In return ture
* @param str
* @return boolean
*/
public static boolean isNumber(String str) {
return Regular(str,DOUBLE);
}
/**
* Determines whether the field is INTEGER In return ture
* @param str
* @return boolean
*/
public static boolean isInteger(String str) {
return Regular(str,INTEGER);
}
/**
* Determines whether the field is a positive integer regular expression >=0 In return ture
* @param str
* @return boolean
*/
public static boolean isINTEGER_NEGATIVE(String str) {
return Regular(str,INTEGER_NEGATIVE);
}
/**
* Determines whether the field is a negative integer regular expression <=0 In return ture
* @param str
* @return boolean
*/
public static boolean isINTEGER_POSITIVE(String str) {
return Regular(str,INTEGER_POSITIVE);
}
/**
* Determines whether the field is DOUBLE In return ture
* @param str
* @return boolean
*/
public static boolean isDouble(String str) {
return Regular(str,DOUBLE);
}
/**
* Determines whether the field is a positive floating point regular expression >=0 In return ture
* @param str
* @return boolean
*/
public static boolean isDOUBLE_NEGATIVE(String str) {
return Regular(str,DOUBLE_NEGATIVE);
}
/**
* Determines whether the field is a negative floating point regular expression <=0 In return ture
* @param str
* @return boolean
*/
public static boolean isDOUBLE_POSITIVE(String str) {
return Regular(str,DOUBLE_POSITIVE);
}
/**
* Determines whether the field is a date In return ture
* @param str
* @return boolean
*/
public static boolean isDate(String str) {
return Regular(str,DATE_ALL);
}
/**
* validation 2010-12-10
* @param str
* @return
*/
public static boolean isDate1(String str) {
return Regular(str,DATE_FORMAT1);
}
/**
* Determines whether the field is age In return ture
* @param str
* @return boolean
*/
public static boolean isAge(String str) {
return Regular(str,AGE) ;
}
/**
* Determines if the field is too long
* The string is returned empty fasle, More than the length of the {leng} return ture Conversely return false
* @param str
* @param leng
* @return boolean
*/
public static boolean isLengOut(String str,int leng) {
return StrisNull(str)?false:str.trim().length() > leng ;
}
/**
* Determine whether the field is an id In return ture
* @param str
* @return boolean
*/
public static boolean isIdCard(String str) {
if(StrisNull(str)) return false ;
if(str.trim().length() == 15 || str.trim().length() == 18) {
return Regular(str,IDCARD);
}else {
return false ;
}
}
/**
* Determines whether the field is postcode In return ture
* @param str
* @return boolean
*/
public static boolean isCode(String str) {
return Regular(str,CODE) ;
}
/**
* Determines if the string is all English letters
* @param str
* @return boolean
*/
public static boolean isEnglish(String str) {
return Regular(str,STR_ENG) ;
}
/**
* Determines if the string is all English letters + digital
* @param str
* @return boolean
*/
public static boolean isENG_NUM(String str) {
return Regular(str,STR_ENG_NUM) ;
}
/**
* Determines if the string is all English letters + digital + The underline
* @param str
* @return boolean
*/
public static boolean isENG_NUM_(String str) {
return Regular(str,STR_ENG_NUM_) ;
}
/**
* Filter special strings Returns the filtered string
* @param str
* @return boolean
*/
public static String filterStr(String str) {
Pattern p = Pattern.compile(STR_SPECIAL);
Matcher m = p.matcher(str);
return m.replaceAll("").trim();
}
/**
* Calibration mechanism code format
* @return
*/
public static boolean isJigouCode(String str){
return Regular(str,JIGOU_CODE) ;
}
/**
* Determines whether a string is composed of Numbers
* @param str
* @return boolean
*/
public static boolean isSTR_NUM(String str) {
return Regular(str,STR_NUM) ;
}
/**
* Does the match match a regular expression pattern Match the return true
* @param str Matched string
* @param pattern Match the pattern
* @return boolean
*/
private static boolean Regular(String str,String pattern){
if(null == str || str.trim().length()<=0)
return false;
Pattern p = Pattern.compile(pattern);
Matcher m = p.matcher(str);
return m.matches();
}
}
That's all for this article, I hope you enjoy it.