本文實(shí)例為大家分享了java正則表達(dá)式工具類的具體代碼，供大家參考，具體內(nèi)容如下
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import com.google.common.base.Strings;import java.util.regex.Matcher;import java.util.regex.Pattern;/** * 常用的正則表達(dá)式 * Created by tookbra on 2016/4/7. */public class RegexUtils { /** * 判斷是否是正確的IP地址 * * @param ip * @return boolean true,通過，false，沒通過 */ public static boolean isIp(String ip) { if (Strings.isNullOrEmpty(ip)) return false; String regex = "^(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|[1-9])\\." + "(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)\\." + "(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)\\." + "(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)$"; return ip.matches(regex); } /** * 判斷是否是正確的郵箱地址 * * @param email * @return boolean true,通過，false，沒通過 */ public static boolean isEmail(String email) { if (Strings.isNullOrEmpty(email)) return false; String regex = "\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*"; return email.matches(regex); } /** * 判斷是否含有中文，僅適合中國漢字，不包括標(biāo)點(diǎn) * @param text * @return boolean true,通過，false，沒通過 */ public static boolean isChinese(String text) { if (Strings.isNullOrEmpty(text)) return false; Pattern p = Pattern.compile("[\u4e00-\u9fa5]"); Matcher m = p.matcher(text); return m.find(); } /** * 判斷是否正整數(shù) * * @param number * 數(shù)字 * @return boolean true,通過，false，沒通過 */ public static boolean isNumber(String number) { if (Strings.isNullOrEmpty(number)) return false; String regex = "[0-9]*"; return number.matches(regex); } /** * 判斷幾位小數(shù)(正數(shù)) * * @param decimal * 數(shù)字 * @param count * 小數(shù)位數(shù) * @return boolean true,通過，false，沒通過 */ public static boolean isDecimal(String decimal, int count) { if (Strings.isNullOrEmpty(decimal)) return false; String regex = "^(-)?(([1-9]{1}\\d*)|([0]{1}))(\\.(\\d){" + count + "})?$"; return decimal.matches(regex); } /** * 判斷是否是移動手機(jī)號碼 * * @param phoneNumber * 移動手機(jī)號碼 * @return boolean true,通過，false，沒通過 */ public static boolean isMobilePhoneNumber(String phoneNumber) { if (Strings.isNullOrEmpty(phoneNumber)) return false; String regex = "^((13[0-9])|(15[0-9])|(18[1-9]))\\d{8}$"; return phoneNumber.matches(regex); } /** * 判斷是否是手機(jī)號碼 * * @param phoneNumber * 移動手機(jī)號碼 * @return boolean true,通過，false，沒通過 */ public static boolean isPhoneNumber(String phoneNumber) { if (Strings.isNullOrEmpty(phoneNumber)) return false; String regex = "^1\\d{10}$"; return phoneNumber.matches(regex); } /** * 判斷是否含有特殊字符 * * @param text * @return boolean true,通過，false，沒通過 */ public static boolean hasSpecialChar(String text) { if (Strings.isNullOrEmpty(text)) return false; if (text.replaceAll("[a-z]*[A-Z]*\\d*-*_*\\s*", "").length() == 0) { // 如果不包含特殊字符 return true; } return false; } private static boolean isChinese(char c) { Character.UnicodeBlock ub = Character.UnicodeBlock.of(c); if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION) { return true; } return false; }} |
以上就是本文的全部內(nèi)容，希望對大家的學(xué)習(xí)有所幫助，也希望大家多多支持服務(wù)器之家。
原文鏈接：http://www.cnblogs.com/YuyuanNo1/p/8034214.html
