Using the Captured Text of a Group within a Pattern : Group « Regular Expressions « Java

1. Java
2. Regular Expressions
3. Group

Using the Captured Text of a Group within a Pattern

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
  public static void main(String[] argv) throws Exception {
    String patternStr = "<(\\S+?).*?>(.*?)</\\1>";
    Pattern pattern = Pattern.compile(patternStr);
    Matcher matcher = pattern.matcher("");

    // Set the input
    matcher.reset("xx <tag a=b> yy </tag> zz");

    // Get tagname and contents of tag
    boolean matchFound = matcher.find(); 
    String tagname = matcher.group(1); 
    String contents = matcher.group(2); 

    matcher.reset("xx <tag> yy </tag0>");
    matchFound = matcher.find(); 
  }
}

 

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