import java.util.regex.*; class RegexExample1{ public static void main(String[] args){ String content = "I am noob " + "from runoob.com."; String pattern = ".*runoob.*"; boolean isMatch = Pattern.matches(pattern, content); System.out.println("字符串中是否包含了 'runoob' 子字符串...
AI代码解释 importjava.util.regex.Pattern;importjava.util.regex.Matcher;publicclassRegexReplaceExample{publicstaticvoidmain(String[]args){String testString="This is a test string with numbers: 123, 456, 789";String regex="\\d+";// 匹配一个或多个数字String replacement="NUM";Pattern pattern=Patt...
import java.util.regex.*; public class RegexExample { public static void main(String[] args) { String text = "Java is a programming language. Java is fun."; String patternString = "a"; // 匹配字符 'a' Pattern pattern = Pattern.compile(patternString); Matcher matcher = pattern.matcher(...
importjava.util.regex.*;classRegexExample1{publicstaticvoidmain(String[]args){Stringcontent="I am noob"+"from runoob.com.";Stringpattern=".*runoob.*";booleanisMatch=Pattern.matches(pattern,content);System.out.println("字符串中是否包含了 'runoob' 子字符串?"+isMatch);}} ...
下面是一个示例程序,演示了如何使用Regex类来匹配、查找和替换字符串中的模式: AI检测代码解析 importjava.util.regex.Matcher;.util.regex.Pattern;publicclassRegexExample{publicstaticvoidmain(String[]args){Stringinput="Hello, Java regex!";Stringpattern="\\bJava\\b";// 使用matches方法判断输入字符串是否...
importjava.util.regex.Pattern;importjava.util.regex.Matcher;publicclassRegexExample{publicstaticvoidmain(String[]args){Stringpattern=".*";// 正则表达式模式Patternregex=Pattern.compile(pattern);// 创建正则表达式对象Stringtext="This is a sample text.";// 要匹配的字符串Matchermatcher=regex.matcher(tex...
String regex ="^[A-Za-z0-9]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,}$";// 邮箱地址正则Pattern pattern = Pattern.compile(regex); 创建Matcher对象: 用已编译的Pattern对象和需要进行匹配的字符串创建一个Matcher对象。 String email ="user@example.com"; ...
static Pattern compile(String regex):编译给定的正则表达式并返回 Pattern 的实例。 Matcher matcher(CharSequence input):创建一个匹配器,该匹配器将给定的输入与模式匹配。 static boolean matches(String regex, CharSequence input):它作为编译和匹配器方法的组合工作。它编译正则表达式并将给定的输入与模式匹配。 S...
import java.util.regex.Matcher; import java.util.regex.Pattern; public class RegexExample { public static void main(String[] args) { String text = "Hello, 2023! This is a sample text with some numbers: 12345 and 98765."; // 匹配数字模式 String patternString = "\\d+"; // 创建Pattern...
1 package cc.bcy; 2 3 import java.util.regex.*; 4 5 public class RegexExample 6 { 7 public static void main(String[] args) 8 { 9 String content="I am noob from runoob.com";10 String pattern=".*runoob.*";11 boolean isMatch=Pattern.matches(pattern, content);...