import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "\\[(plantuml.+)\\]\\s+\\.{4}\\s([\\s\\S]+?(?=^\\.{4}))\\.{4}";
final String string = "= Title\n\n"
+ "[plantuml, target=diagram-classes, format=png]\n"
+ "....\n"
+ "class BlockProcessor\n"
+ "class DiagramBlock\n"
+ "class DitaaBlock\n"
+ "class PlantUmlBlock\n\n"
+ "BlockProcessor <|-- DiagramBlock\n"
+ "DiagramBlock <|-- DitaaBlock\n"
+ "DiagramBlock <|-- PlantUmlBlock\n"
+ "....\n\n"
+ "[plantuml, target=blabla, fasdf=asfdas]\n"
+ "....\n"
+ "class BlockProcessor\n"
+ "class DiagramBlock\n"
+ "class DitaaBlock\n"
+ "class PlantUmlBlock\n\n"
+ "BlockProcessor <|... DiagramBlock\n"
+ "DiagramBlock <|...... DitaaBlock\n"
+ "DiagramBlock <|..... PlantUmlBlock\n"
+ "....\n\n"
+ "[source, java]\n"
+ "....\n"
+ "class BlockProcessor\n"
+ "class DiagramBlock\n"
+ "class DitaaBlock\n"
+ "class PlantUmlBlock\n\n"
+ "BlockProcessor <|-- DiagramBlock\n"
+ "DiagramBlock <|-- DitaaBlock\n"
+ "DiagramBlock <|-- PlantUmlBlock\n"
+ "....\n\n\n";
final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
final Matcher matcher = pattern.matcher(string);
while (matcher.find()) {
System.out.println("Full match: " + matcher.group(0));
for (int i = 1; i <= matcher.groupCount(); i++) {
System.out.println("Group " + i + ": " + matcher.group(i));
}
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html