importjava.util.regex.Pattern;importjava.util.regex.Matcher;publicclassPhoneNumberValidator{// 定义手机号码正则表达式privatestaticfinalStringPHONE_REGEX="^1[3-9]\\d{9}$";publicstaticvoidmain(String[]args){// 测试手机号String[]phoneNumbers={"13812345678",// 合法"12345678901",// 不合法"15612345678...
下面是一个简单的Java程序,用于验证输入的手机号格式: importjava.util.regex.Pattern;importjava.util.regex.Matcher;importjava.util.Scanner;publicclassPhoneNumberValidator{privatestaticfinalStringPHONE_REGEX="^1[3-9]\\d{9}$";publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);System...
Help in java regex. Here are some phone numbers. I want to print all phone number without prefix and 0. Note :- phone number should be 10 digit long without (+91 and space and 0) String a = "+918092123456 " + "+91 9431123456" + "9075123456" + "08409123456"; // My code for th...
定义正则表达式:我们使用了一个常量PHONE_REGEX来存储手机号码的正则表达式。 编译正则表达式:使用Pattern.compile方法将正则表达式编译成一个Pattern对象。 校验手机号码:isValidPhoneNumber方法接受一个字符串参数phoneNumber,首先检查该字符串是否为空或null,然后使用matcher方法进行匹配,并返回匹配结果。 测试代码:在main方...
Original Phone number: 123-4567 Check the said Phone number is true or not! false Flowchart : For more Practice: Solve these Related Problems: Write a Java program to validate a phone number format that allows optional country codes and separators using regex. ...
2.正则表达式实在 java.util.regex包中 3.包中有上面两个实现类 Pattern(模式) Matcher(匹配器) 4.匹配语法错误会有异常 PatternSyntaxException java中就使用 Pattern 跟 Matcher判断正则表达式的.也就是上面跟踪的代码. 1.使用Api进行正则表达式匹配. 代码例子 ...
1/**2*正则表达式验证手机3*/4publicstaticbooleanorPhoneNumber(String phoneNumber) {5if(phoneNumber ==null|| "".equals(phoneNumber))6returnfalse;7String regex = "^1[3|4|5|8][0-9]\\d{8}$";8returnphoneNumber.matches(regex);9}
1.2. Regex examples A simple example for a regular expression is a (literal) string. For example, theHello Worldregex matches the "Hello World" string..(dot) is another example for a regular expression. A dot matches any single character; it would match, for example, "a" or "1". ...
Given below is a Java program that converts a string to a phone number in(###) ###-###format. It uses theString.replaceFirst()method for matching and replacing the substring using regex. Stringinput="1234567890";Stringnumber=input.replaceFirst("(\\d{3})(\\d{3})(\\d+)","($1) ...
importjava.util.regex.Matcher;importjava.util.regex.Pattern;importjava.util.ArrayList;importjava.util.List;publicclassPhoneNumberMatcher{// 定义手机号的正则表达式privatestaticfinalStringPHONE_REGEX="1[3-9]\\d{9}";publicstaticvoidmain(String[]args){Stringinput="我的手机号码是13800138000, 你可以联系...