常用java正则表达式的工具类

本文实例为大家分享了java正则表达式工具类的具体代码，供大家参考，具体内容如下

import com.google.common.base.Strings;

import java.util.regex.Matcher;
import java.util.regex.Pattern;


public class RegexUtils {
  
  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);
  }
  
  public static boolean isEmail(String email) {
    if (Strings.isNullOrEmpty(email))
      return false;
    String regex = "\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*";
    return email.matches(regex);
  }
  
  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();
  }
  
  public static boolean isNumber(String number) {
    if (Strings.isNullOrEmpty(number))
      return false;
    String regex = "[0-9]*";
    return number.matches(regex);
  }
  
  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);
  }
  
  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);
  }

  
  public static boolean isPhoneNumber(String phoneNumber) {
    if (Strings.isNullOrEmpty(phoneNumber))
      return false;
    String regex = "^1\d{10}$";
    return phoneNumber.matches(regex);
  }
  
  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内容，希望对大家的学习有所帮助，也希望大家多多支持考高分网。