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优化升级正则校验工具类
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@goldze
goldze committed Jul 16, 2021
1 parent 793cbb6 commit 1dda4d2
Showing 1 changed file with 173 additions and 63 deletions.
236 changes: 173 additions & 63 deletions mvvmhabit/src/main/java/me/goldze/mvvmhabit/utils/RegexUtils.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,9 @@
package me.goldze.mvvmhabit.utils;

import android.support.v4.util.SimpleArrayMap;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
Expand All @@ -13,6 +16,8 @@
*/
public final class RegexUtils {

private final static SimpleArrayMap<String, String> CITY_MAP = new SimpleArrayMap<>();

private RegexUtils() {
throw new UnsupportedOperationException("u can't instantiate me...");
}
Expand All @@ -22,136 +27,231 @@ private RegexUtils() {
///////////////////////////////////////////////////////////////////////////

/**
* 验证手机号（简单）
* Return whether input matches regex of simple mobile.
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isMobileSimple(final CharSequence input) {
return isMatch(RegexConstants.REGEX_MOBILE_SIMPLE, input);
}

/**
* 验证手机号（精确）
* Return whether input matches regex of exact mobile.
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isMobileExact(final CharSequence input) {
return isMatch(RegexConstants.REGEX_MOBILE_EXACT, input);
return isMobileExact(input, null);
}

/**
* 验证电话号码
* Return whether input matches regex of exact mobile.
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @param newSegments The new segments of mobile number.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isMobileExact(final CharSequence input, List<String> newSegments) {
boolean match = isMatch(RegexConstants.REGEX_MOBILE_EXACT, input);
if (match) return true;
if (newSegments == null) return false;
if (input == null || input.length() != 11) return false;
String content = input.toString();
for (char c : content.toCharArray()) {
if (!Character.isDigit(c)) {
return false;
}
}
for (String newSegment : newSegments) {
if (content.startsWith(newSegment)) {
return true;
}
}
return false;
}

/**
* Return whether input matches regex of telephone number.
*
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isTel(final CharSequence input) {
return isMatch(RegexConstants.REGEX_TEL, input);
}

/**
* 验证身份证号码15位
* Return whether input matches regex of id card number which length is 15.
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isIDCard15(final CharSequence input) {
return isMatch(RegexConstants.REGEX_ID_CARD15, input);
}

/**
* 验证身份证号码18位
* Return whether input matches regex of id card number which length is 18.
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isIDCard18(final CharSequence input) {
return isMatch(RegexConstants.REGEX_ID_CARD18, input);
}

/**
* 验证邮箱
* Return whether input matches regex of exact id card number which length is 18.
*
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isIDCard18Exact(final CharSequence input) {
if (isIDCard18(input)) {
int[] factor = new int[]{7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};
char[] suffix = new char[]{'1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'};
if (CITY_MAP.isEmpty()) {
CITY_MAP.put("11", "北京");
CITY_MAP.put("12", "天津");
CITY_MAP.put("13", "河北");
CITY_MAP.put("14", "山西");
CITY_MAP.put("15", "内蒙古");

CITY_MAP.put("21", "辽宁");
CITY_MAP.put("22", "吉林");
CITY_MAP.put("23", "黑龙江");

CITY_MAP.put("31", "上海");
CITY_MAP.put("32", "江苏");
CITY_MAP.put("33", "浙江");
CITY_MAP.put("34", "安徽");
CITY_MAP.put("35", "福建");
CITY_MAP.put("36", "江西");
CITY_MAP.put("37", "山东");

CITY_MAP.put("41", "河南");
CITY_MAP.put("42", "湖北");
CITY_MAP.put("43", "湖南");
CITY_MAP.put("44", "广东");
CITY_MAP.put("45", "广西");
CITY_MAP.put("46", "海南");

CITY_MAP.put("50", "重庆");
CITY_MAP.put("51", "四川");
CITY_MAP.put("52", "贵州");
CITY_MAP.put("53", "云南");
CITY_MAP.put("54", "西藏");

CITY_MAP.put("61", "陕西");
CITY_MAP.put("62", "甘肃");
CITY_MAP.put("63", "青海");
CITY_MAP.put("64", "宁夏");
CITY_MAP.put("65", "新疆");

CITY_MAP.put("71", "台湾老");
CITY_MAP.put("81", "香港");
CITY_MAP.put("82", "澳门");
CITY_MAP.put("83", "台湾新");
CITY_MAP.put("91", "国外");
}
if (CITY_MAP.get(input.subSequence(0, 2).toString()) != null) {
int weightSum = 0;
for (int i = 0; i < 17; ++i) {
weightSum += (input.charAt(i) - '0') * factor[i];
}
int idCardMod = weightSum % 11;
char idCardLast = input.charAt(17);
return idCardLast == suffix[idCardMod];
}
}
return false;
}

/**
* Return whether input matches regex of email.
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isEmail(final CharSequence input) {
return isMatch(RegexConstants.REGEX_EMAIL, input);
}

/**
* 验证URL
* Return whether input matches regex of url.
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isURL(final CharSequence input) {
return isMatch(RegexConstants.REGEX_URL, input);
}

/**
* 验证汉字
* Return whether input matches regex of Chinese character.
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isZh(final CharSequence input) {
return isMatch(RegexConstants.REGEX_ZH, input);
}

/**
* 验证用户名
* <p>取值范围为a-z,A-Z,0-9,"_",汉字，不能以"_"结尾,用户名必须是6-20位</p>
* Return whether input matches regex of username.
* <p>scope for "a-z", "A-Z", "0-9", "_", "Chinese character"</p>
* <p>can't end with "_"</p>
* <p>length is between 6 to 20</p>.
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isUsername(final CharSequence input) {
return isMatch(RegexConstants.REGEX_USERNAME, input);
}

/**
* 验证yyyy-MM-dd格式的日期校验，已考虑平闰年
* Return whether input matches regex of date which pattern is "yyyy-MM-dd".
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isDate(final CharSequence input) {
return isMatch(RegexConstants.REGEX_DATE, input);
}

/**
* 验证IP地址
* Return whether input matches regex of ip address.
*
* @param input 待验证文本
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isIP(final CharSequence input) {
return isMatch(RegexConstants.REGEX_IP, input);
}

/**
* 判断是否匹配正则
* Return whether input matches the regex.
*
* @param regex 正则表达式
* @param input 要匹配的字符串
* @return {@code true}: 匹配<br>{@code false}: 不匹配
* @param regex The regex.
* @param input The input.
* @return {@code true}: yes<br>{@code false}: no
*/
public static boolean isMatch(final String regex, final CharSequence input) {
return input != null && input.length() > 0 && Pattern.matches(regex, input);
}

/**
* 获取正则匹配的部分
* Return the list of input matches the regex.
*
* @param regex 正则表达式
* @param input 要匹配的字符串
* @return 正则匹配的部分
* @param regex The regex.
* @param input The input.
* @return the list of input matches the regex
*/
public static List<String> getMatches(final String regex, final CharSequence input) {
if (input == null) return null;
if (input == null) return Collections.emptyList();
List<String> matches = new ArrayList<>();
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(input);
Expand All @@ -162,40 +262,50 @@ public static List<String> getMatches(final String regex, final CharSequence inp
}

/**
* 获取正则匹配分组
* Splits input around matches of the regex.
*
* @param input 要分组的字符串
* @param regex 正则表达式
* @return 正则匹配分组
* @param input The input.
* @param regex The regex.
* @return the array of strings computed by splitting input around matches of regex
*/
public static String[] getSplits(final String input, final String regex) {
if (input == null) return null;
if (input == null) return new String[0];
return input.split(regex);
}

/**
* 替换正则匹配的第一部分
* Replace the first subsequence of the input sequence that matches the
* regex with the given replacement string.
*
* @param input 要替换的字符串
* @param regex 正则表达式
* @param replacement 代替者
* @return 替换正则匹配的第一部分
* @param input The input.
* @param regex The regex.
* @param replacement The replacement string.
* @return the string constructed by replacing the first matching
* subsequence by the replacement string, substituting captured
* subsequences as needed
*/
public static String getReplaceFirst(final String input, final String regex, final String replacement) {
if (input == null) return null;
public static String getReplaceFirst(final String input,
final String regex,
final String replacement) {
if (input == null) return "";
return Pattern.compile(regex).matcher(input).replaceFirst(replacement);
}

/**
* 替换所有正则匹配的部分
* Replace every subsequence of the input sequence that matches the
* pattern with the given replacement string.
*
* @param input 要替换的字符串
* @param regex 正则表达式
* @param replacement 代替者
* @return 替换所有正则匹配的部分
* @param input The input.
* @param regex The regex.
* @param replacement The replacement string.
* @return the string constructed by replacing each matching subsequence
* by the replacement string, substituting captured subsequences
* as needed
*/
public static String getReplaceAll(final String input, final String regex, final String replacement) {
if (input == null) return null;
public static String getReplaceAll(final String input,
final String regex,
final String replacement) {
if (input == null) return "";
return Pattern.compile(regex).matcher(input).replaceAll(replacement);
}
}

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