本文實例講述了Java正則驗證電話,手機,郵箱,日期,金額的方法。分享給大家供大家參考，具體如下：
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package com.hooypay.tool;import java.io.IOException;import java.util.regex.Matcher;import java.util.regex.Pattern;public class Check { // 判斷電話 public static boolean isTelephone(String phonenumber) { String phone = "0\\d{2,3}-\\d{7,8}"; Pattern p = Pattern.compile(phone); Matcher m = p.matcher(phonenumber); return m.matches(); } // 判斷手機號 public static boolean isMobileNO(String mobiles) { Pattern p = Pattern.compile("^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$"); Matcher m = p.matcher(mobiles); return m.matches(); } // 判斷郵箱 public static boolean isEmail(String email) { String str = "^([a-zA-Z0-9]*[-_]?[a-zA-Z0-9]+)*@([a-zA-Z0-9]*[-_]?[a-zA-Z0-9]+)+[\\.][A-Za-z]{2,3}([\\.][A-Za-z]{2})?$"; Pattern p = Pattern.compile(str); Matcher m = p.matcher(email); return m.matches(); } // 判斷日期格式:yyyy-mm-dd public static boolean isValidDate(String sDate) { String datePattern1 = "\\d{4}-\\d{2}-\\d{2}"; String datePattern2 = "^((\\d{2}(([02468][048])|([13579][26]))" + "[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|" + "(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?" + "((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?(" + "(((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?" + "((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))"; if ((sDate != null)) { Pattern pattern = Pattern.compile(datePattern1); Matcher match = pattern.matcher(sDate); if (match.matches()) { pattern = Pattern.compile(datePattern2); match = pattern.matcher(sDate); return match.matches(); } else { return false; } } return false; } //驗證金額 public static boolean isNumber(String str) { java.util.regex.Pattern pattern=java.util.regex.Pattern.compile("^(([1-9]{1}\\d*)|([0]{1}))(\\.(\\d){0,2})?$"); // 判斷小數點后一位的數字的正則表達式 java.util.regex.Matcher match=pattern.matcher(str); if(match.matches()==false) { return false; } else { return true; } }} |
希望本文所述對大家java程序設計有所幫助。
