常用的Regex工具类

这里整理了部分，特别是日期时间和身份证校验，功能相当强大，值得学习

import java.util.HashMap; import java.util.Map; import java.util.regex.Pattern; public class RegexUtils { private static Pattern PATTERN_EMAIL = Pattern .compile("^[//w-]+(//.[//w-]+)*@[//w-]+(//.[//w-]+)+$");// 邮件地址 private static Pattern PATTERN_TEL = Pattern .compile("^([0-9]{3,4}-)?[0-9]{7,8}$");// 固定电话 private static Pattern PATTERN_MOBILE = Pattern .compile("^(//+86)?0?1[3|5]//d{9}$");// 移动电话 private static Pattern PATTERN_ALPHA = Pattern.compile("^[A-Za-z]+$");// 字母 private static Pattern PATTERN_DIGITAL = Pattern.compile("^//d+$");// 数字 private static Pattern PATTERN_CHINESE = Pattern .compile("^[//u4E00-//u9FA5]+$");// 中文 private static Pattern PATTERN_IDCARD_15 = Pattern .compile("^[1-9]//d{7}((0//d)|(1[0-2]))(([0|1|2]//d)|3[0-1])//d{3}$");// 15位身份证格式 private static Pattern PATTERN_IDCARD_18 = Pattern .compile("^[1-9]//d{5}[1-9]//d{3}((0//d)|(1[0-2]))(([0|1|2]//d)|3[0-1])//d{3}[//d|x|X]$");// 18位身份证格式 private static Pattern PATTERN_IP = Pattern .compile("^((00//d|1?//d?//d|(2([0-4]//d|5[0-5])))//.){3}(00//d|1?//d?//d|(2([0-4]//d|5[0-5])))$");//IP格式 private static Pattern PATTERN_TIME = Pattern .compile("((0?[0-9])|([1-2][0-3]))//:([0-5]?[0-9])(//:([0-5]?[0-9]))");//时间格式 private static Pattern PATTERN_REPEAT = Pattern.compile(".*(.).*//1.*");//重复字符格式 public RegexUtils() { } /** * 校验email格式 * * @param email * email * @return */ public static boolean isEmail(String email) { if (email == null) return false; else return PATTERN_EMAIL.matcher(email).matches(); } public static boolean isTelephone(String telephone) { if (telephone == null) return false; else return PATTERN_TEL.matcher(telephone).matches(); } public static boolean isMobile(String mobile) { if (mobile == null) return false; else return PATTERN_MOBILE.matcher(mobile).matches(); } public static boolean isAlpha(String alpha) { if (alpha == null) return false; else return PATTERN_ALPHA.matcher(alpha).matches(); } public static boolean isDigital(String digital) { if (digital == null) return false; else return PATTERN_DIGITAL.matcher(digital).matches(); } public static boolean isChinese(String chinese) { if (chinese == null) return false; else return PATTERN_CHINESE.matcher(chinese).matches(); } public static boolean isDateTime(String dateTime) { return isDateTime(dateTime, "-"); } /** * 校验日期时间 月 日 时间 可以不写前面的0 ,例如 2008-9-2 3:9:1 * * @param dateTime * @param partition * 分隔符 这里只支持 /、/、-、空格 四类分隔符，如果是长度大于1，则取第一个字符作为分隔符 * @return 如何符合格式，返回true */ public static boolean isDateTime(String dateTime, String partition) { if (dateTime == null || partition == null || "".equals(partition)) return false; String s = ""; char split = partition.charAt(0); if (split != '//' && split != '/' && split != '-' && split != ' ') throw new IllegalArgumentException((new StringBuilder( "partition can not start with '")).append(partition) .append("'!").toString()); s = (new StringBuilder(String.valueOf(s))).append(split).toString(); StringBuilder part = new StringBuilder( "^((//d{2}(([02468][048])|([13579][26]))"); part.append(s); part.append("((((0?[13578]"); part.append(")|(1[02]))"); part.append(s); part.append("((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[4"); part.append("69])|(11))"); part.append(s); part.append("((0?[1-9])|([1-2][0-9])|(30)))|(0?2[//-/////"); part .append("s]?((0?[1-9])|([1-2][0-9])))))|(//d{2}(([02468][1235679])|([1"); part.append("3579][01345789]))"); part.append(s); part.append("((((0?[13578])|(1[02]))"); part.append(s); part.append("(("); part.append("0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))"); part.append(s); part.append("(("); part.append("0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))"); part.append(s); part.append("(("); part.append("0?[1-9])|([1-2][0-9])|(30)))|(0?2"); part.append(s); part.append("((0?[1-9])|(1[0-9])|(2[0-8]))))))"); part .append("(//s(((0?[0-9])|([1-2][0-3]))//:([0-5]?[0-9])//:([0-5]?[0-9])))?"); return Pattern.matches(part.toString(), dateTime); } public static boolean isDate(String date) { return isDate(date, "-"); } /** * 校验日期 月 日 可以不写前面的0 ,例如 2008-9-2 3:9:1 * * @param date * @param partition * 分隔符 这里只支持 /、/、-、空格 四类分隔符，如果是长度大于1，则取第一个字符作为分隔符 * @return 如何符合格式，返回true */ public static boolean isDate(String date, String partition) { if (date == null || partition == null || "".equals(partition)) return false; String s = ""; char split = partition.charAt(0); if (split != '//' && split != '/' && split != '-' && split != ' ') throw new IllegalArgumentException((new StringBuilder( "partition can not start with '")).append(partition) .append("'!").toString()); s = (new StringBuilder(String.valueOf(s))).append(split).toString(); StringBuilder part = new StringBuilder( "^((//d{2}(([02468][048])|([13579][26]))"); part.append(s); part.append("((((0?[13578]"); part.append(")|(1[02]))"); part.append(s); part.append("((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[4"); part.append("69])|(11))"); part.append(s); part.append("((0?[1-9])|([1-2][0-9])|(30)))|(0?2[//-/////"); part .append("s]?((0?[1-9])|([1-2][0-9])))))|(//d{2}(([02468][1235679])|([1"); part.append("3579][01345789]))"); part.append(s); part.append("((((0?[13578])|(1[02]))"); part.append(s); part.append("(("); part.append("0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))"); part.append(s); part.append("(("); part.append("0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))"); part.append(s); part.append("(("); part.append("0?[1-9])|([1-2][0-9])|(30)))|(0?2"); part.append(s); part.append("((0?[1-9])|(1[0-9])|(2[0-8]))))))$"); return Pattern.matches(part.toString(), date); } /** * 校验时间 时间可以不写前面的0 如 9:3:1 * * @param time * 时间 * @return */ public static boolean isTime(String time) { if (time == null) return false; else return PATTERN_TIME.matcher(time).matches(); } /** * 严格校验身份证的格式，支持15位和18位校验 * * @param card * @return */ public static boolean isIdCard(String card) { if (card == null) return false; int length = card.length(); if (length == 15) {// 15位号码身份证 if (!PATTERN_IDCARD_15.matcher(card).matches()) return false; if (!addressCode.containsKey(card.substring(0, 2))) return false; String birthday = (new StringBuilder("19")).append( card.substring(6, 8)).append("-").append( card.substring(8, 10)).append("-").append( card.substring(10, 12)).toString(); if (!isDate(birthday)) return false; } else if (length == 18) {// 18位号码身份证 if (!PATTERN_IDCARD_18.matcher(card).matches())// 格式不匹配 return false; if (!addressCode.containsKey(card.substring(0, 2)))// 不符合地区码 return false; String birthday = (new StringBuilder(card.substring(6, 10))) .append("-").append(card.substring(10, 12)).append("-") .append(card.substring(12, 14)).toString(); if (!isDate(birthday)) return false; int sum = 0; for (int i = 0; i < length - 1; i++) sum += (card.charAt(i) - 48) * idCoefficient[i]; char mod = idMod[sum % 11]; if (mod != Character.toLowerCase(card.charAt(17))) return false; } else { return false; } return true; } /** * 校验IP格式 * @param ip * @return */ public static boolean isIP(String ip) { if (ip == null) return false; else return PATTERN_IP.matcher(ip).matches(); } /** * 校验是否有重复字符 * @param repeat * @return */ public static boolean hasRepeat(String repeat) { if (repeat == null) return false; else return PATTERN_REPEAT.matcher(repeat).matches(); } public static Map<String, String> addressCode; public static int idCoefficient[] = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 }; public static char idMod[] = { '1', '0', 'x', '9', '8', '7', '6', '5', '4', '3', '2' }; static { addressCode = new HashMap<String, String>(35); addressCode.put("11", "/u5317/u4EAC"); addressCode.put("12", "/u5929/u6D25"); addressCode.put("13", "/u6CB3/u5317"); addressCode.put("14", "/u5C71/u897F"); addressCode.put("15", "/u5185/u8499/u53E4"); addressCode.put("21", "/u8FBD/u5B81"); addressCode.put("22", "/u5409/u6797"); addressCode.put("23", "/u9ED1/u9F99/u6C5F"); addressCode.put("31", "/u4E0A/u6D77"); addressCode.put("32", "/u6C5F/u82CF"); addressCode.put("33", "/u6D59/u6C5F"); addressCode.put("34", "/u5B89/u5FBD"); addressCode.put("35", "/u798F/u5EFA"); addressCode.put("36", "/u6C5F/u897F"); addressCode.put("37", "/u5C71/u4E1C"); addressCode.put("41", "/u6CB3/u5357"); addressCode.put("42", "/u6E56/u5317"); addressCode.put("43", "/u6E56/u5357"); addressCode.put("44", "/u5E7F/u4E1C"); addressCode.put("45", "/u5E7F/u897F"); addressCode.put("46", "/u6D77/u5357"); addressCode.put("50", "/u91CD/u5E86"); addressCode.put("51", "/u56DB/u5DDD"); addressCode.put("52", "/u8D35/u5DDE"); addressCode.put("53", "/u4E91/u5357"); addressCode.put("54", "/u897F/u85CF"); addressCode.put("61", "/u9655/u897F"); addressCode.put("62", "/u7518/u8083"); addressCode.put("63", "/u9752/u6D77"); addressCode.put("64", "/u5B81/u590F"); addressCode.put("65", "/u65B0/u7586"); addressCode.put("71", "/u53F0/u6E7E"); addressCode.put("81", "/u9999/u6E2F"); addressCode.put("82", "/u6FB3/u95E8"); addressCode.put("91", "/u56FD/u5916"); } }