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");...
If you're running an ad blocker, consider whitelisting regex101 to support the website. Read more. Explanation " ^(?<first>[a-z]+)\.(?<second>[a-z]+)$ " i ^ asserts position at start of the string Named Capture Group first (?<first>[a-z]+) Match a single character present...
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...
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...
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
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...
importjava.util.regex.Pattern;importjava.util.regex.Matcher;publicclassRegexExample{publicstaticvoidmain...
今天在项目里看到用 Python 正则表达式的时候,用到 group,没有仔细看。正好学习 Java 正则表达式,对 group 多留意了一下。 上代码: importjava.util.regex.*;classRegexExample2{publicstaticvoidmain(String[] args) { String content= " /udisk/123 /udisk/1 /udisk/2"; ...
以下实例中使用了正则表达式.*runoob.*用于查找字符串中是否包了runoob子串: publicclassRegexExample1{ publicstaticvoidmain(Stringargs[]){ Stringcontent="Iamnoob"+"fromrunoob.com."; Stringpattern=".*runoob.*"; booleanisMatch=Pattern.matches(pattern,content); System.out.println("字符串中是否包含了'run...