import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "(?:[^!]\\[(?P<caption>.*?)\\])\\((?P<image>.*?)\\)";
final String string = "This is a regex to detect markdown image links of the form \n\n"
+ "{#fig:id}\n"
+ "{#fig:id tag=\"B.1\"}\n"
+ "{#fig:ch0_1_images-1 width=100%}\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\n"
+ "\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