Global pattern flags i modifier:insensitive. Case insensitive match (ignores case of[a-zA-Z]) Match Information Regular Expression 1 match " ^(?<first>[a-z]+)\.(?<second>[a-z]+)$ " i Test String firstString.secondString 1:25
importjava.util.regex.Pattern;importjava.util.regex.Matcher;publicclassRegexMatchExample{publicstaticvoidmain(String[]args){// 第一步:定义正则表达式StringemailRegex="^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$";// 第二步:编译正则表达式Patternpattern=Pattern.compile(emailRege...
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);}} 实例输出结果为: 字符...
importjava.util.regex.Pattern;importjava.util.regex.Matcher;publicclassRegexMatchesExample{publicstaticvoidmain(String[]args){Stringinput="example text";Stringregex="pattern";Patternpattern=Pattern.compile(regex);Matchermatcher=pattern.matcher(input);if(matcher.matches()){System.out.println("匹配成功");...
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(...
在Java中,可以使用java.util.regex包中的Pattern和Matcher类来进行正则表达式的匹配。以下是一个示例代码,演示如何在Java中使用正则表达式匹配多个组: 代码语言:java 复制 importjava.util.regex.Matcher;importjava.util.regex.Pattern;publicclassRegexExample{publicstaticvoidmain(String[]args){Stringinput="Hello, my...
importjava.util.regex.*;classRegexExample1{publicstaticvoidmain(String args[]){ String content= "I am noob " + "from runoob.com."; String pattern= ".*runoob.*";booleanisMatch =Pattern.matches(pattern, content); System.out.println("字符串中是否包含了 'runoob' 子字符串? " +isMatch); ...
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);// 字符串中是否包含了...
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对象
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);...