importjava.util.regex.Matcher;importjava.util.regex.Pattern;publicclassNonGreedyMatching{publicstaticvoidmain(String[] args){Stringinput="The price of the item is $12.34.";Stringregex="\\$(\\d+\\.\\d{2})";Patternpattern=Pattern.compile(regex);Matchermatcher=pattern.matcher(input);if(matcher...
import java.util.regex.*; public class Main { public static void main(String[] args) { String input = "aabab"; Pattern pattern = Pattern.compile(".*?ab"); Matcher matcher = pattern.matcher(input); if (matcher.find()) { System.out.println("Non-greedy match: " + matcher.group());...
import java.util.regex.*; public class NonGreedyMatchExample { public static void main(String[] args) { String text = "<html><body><h1>Hello, World!</h1></body></html>"; String regex = "<.*?>"; Pattern pattern = Pattern.compile...
importjava.util.regex.Matcher;importjava.util.regex.Pattern;publicclassRegexDemo{publicstaticvoidmain(String[]args){Stringinput="abbbc";// 贪婪模式PatterngreedyPattern=Pattern.compile("ab+c");MatchergreedyMatcher=greedyPattern.matcher(input);if(greedyMatcher.find()){System.out.println("Greedy match: ...
group());}if(matcherNonGreedy.find()){System.out.println("Non-Greedy Match: "+matcherNonGreedy...
Stringregex="<.*?>";// 贪心模式StringnonGreedyRegex="<.*?>";// 非贪心模式 1. 2. 在这里,如果我们需要提取多个标签内容,可以采用非贪心模式来确保每个标签的正确匹配。 LaTeX公式(参数计算模型): [ P_{match} = \sum_{i=1}^{n}(C_i \cdot S_i) ...
System.out.println("Match \"" + m.group() +"\"at positions " + m.start() +"-"+ (m.end() - 1)); } } } }///:~ Java的正则表达式是由java.util.regex的Pattern和Matcher类实现的。Pattern对象表示经编译的正则表达式。静态的compile( )方法负责将表示正则表达式的字符串编译成Pattern对象。正...
greedy是贪婪的,reluctant是勉强的,也可理解为non-greedy非贪婪的,possessive是独占的,占有的,这些关键词只在java正则表达式的量词表达时起作用。如{n,m},{n,m}?,{n,m}+分别表示贪婪的,非贪婪的,独占的匹配算法 greedy算法:在整个正则表达式匹配成功的前提下,量词修饰的字符部分会尽可能多的匹配字符串,如果由于...
NonGreedyExample+String text+findGreedyMatch()+findNonGreedyMatch() NonGreedyMatcherGreedyMatcherClientNonGreedyMatcherGreedyMatcherClientFind match with <.*>Return result <world>! Welcome to <Java> regex>Find match with <.*?>Return result <world> and <Java> ...
publicclassNonGreedyModeExample{publicstaticvoidmain(String[]args){Stringinput="abacabc";Stringregex="a.*?c";Patternpattern=Pattern.compile(regex);Matchermatcher=pattern.matcher(input);if(matcher.find()){System.out.println("Matched: "+matcher.group());}else{System.out.println("No match found....