常用java正则表达式的工具类

 import com.google.common.base.Strings; import java.util.regex.Matcher; import java.util.regex.Pattern; /** * 常用的正则表达式 * Created by tookbra on 2016/4/7. */ public class RegexUtils { /** * 判断是否是正确的IP地址 * * @param ip * @return boolean true,通过，false，没通过 */ 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)$"; return ip.matches(regex); } /** * 判断是否是正确的邮箱地址 * * @param email * @return boolean true,通过，false，没通过 */ public static boolean isEmail(String email) { if (Strings.isNullOrEmpty(email)) return false; String regex = "\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*"; return email.matches(regex); } /** * 判断是否含有中文，仅适合中国汉字，不包括标点 * @param text * @return boolean true,通过，false，没通过 */ public static boolean isChinese(String text) { if (Strings.isNullOrEmpty(text)) return false; Pattern p = Pattern.compile("[\u4e00-\u9fa5]"); Matcher m = p.matcher(text); return m.find(); } /** * 判断是否正整数 * * @param number *      数字 * @return boolean true,通过，false，没通过 */ public static boolean isNumber(String number) { if (Strings.isNullOrEmpty(number)) return false; String regex = "[0-9]*"; return number.matches(regex); } /** * 判断几位小数(正数) * * @param decimal *      数字 * @param count *      小数位数 * @return boolean true,通过，false，没通过 */ public static boolean isDecimal(String decimal, int count) { if (Strings.isNullOrEmpty(decimal)) return false; String regex = "^(-)?(([1-9]{1}\\d*)|([0]{1}))(\\.(\\d){" + count + "})?$"; return decimal.matches(regex); } /** * 判断是否是移动手机号码 * * @param phoneNumber *      移动手机号码 * @return boolean true,通过，false，没通过 */ 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}$"; return phoneNumber.matches(regex); } /** * 判断是否是手机号码 * * @param phoneNumber *      移动手机号码 * @return boolean true,通过，false，没通过 */ public static boolean isPhoneNumber(String phoneNumber) { if (Strings.isNullOrEmpty(phoneNumber)) return false; String regex = "^1\\d{10}$"; return phoneNumber.matches(regex); } /** * 判断是否含有特殊字符 * * @param text * @return boolean true,通过，false，没通过 */ 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; } }