String input = "John Smith,123456789"; String regex = "(\\w+)\\s(\\w+),([0-9]{9})"; Pattern pattern = Pattern.compile(regex); Matcher matcher = pattern.matcher(input); if (matcher.matches()) { String firstName = matcher.group(1); String lastName = matcher.group(2); String ...
String str = "bbb"; System.out.println("Using String matches method: "+str.matches(".bb")); System.out.println("Using Pattern matches method: "+Pattern.matches(".bb", str)); 所以如果你的需要仅仅是检查输入字符串是否和pattern匹配,你可以通过调用String的matches方法省下时间。只有当你需要操作...
System.out.println("Using String matches method: "+str.matches(".bb")); System.out.println("Using Pattern matches method: "+Pattern.matches(".bb", str)); 所以如果你的需要仅仅是检查输入字符串是否和pattern匹配,你可以通过调用String的matches方法省下时间。只有当你需要操作输入字符串或者重用pattern...
matches(): 返回整个目标字符串与 Pattern 是否匹配 reset(): 将现有的Matcher对象应用于一个新的字符序列 importjava.util.regex.Matcher;importjava.util.regex.Pattern;/*** @ClassName PatternMatchExample * @projectName: object1 *@author: Zhangmingda * @description: XXX * date: 2021/4/14.*/publicc...
Java matches() 方法 Java String类 matches() 方法用于检测字符串是否匹配给定的正则表达式。 调用此方法的 str.matches(regex) 形式与以下表达式产生的结果完全相同: Pattern.matches(regex, str) 语法 public boolean matches(String regex) 参数 regex --
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=Pattern.compile...
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...
importjava.util.regex.*;classRegexExample1{publicstaticvoidmain(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? "+isMatch);}} ...
Matcher 对象提供的 matches 函数作用同 Pattern 的静态函数 matches 一样,判断正则是否完全匹配内容,并返回判断结果。 示例: importjava.util.regex.Matcher;importjava.util.regex.Pattern;publicclasst2{publicstaticvoidmain(String[]args){String reg="[\\w]+";String str1="5b3ac";String str2="5b3ac="...
I have a long string. I want to replace all the matches with part of the matching regex (group).For example:String = "This is a great day, is it not? If there is something, THIS IS it. is". I want to replace all the words "is" by, let's say, "is". The case should rema...