import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "\\b(Apple|Grape)\\.(?!\\S)";
final String string = "1 apple.\n"
+ "1 Apple.\n"
+ "apple. 2\n"
+ "grape. 1\n"
+ "test grape.\n"
+ "grape. test\n"
+ "this is a Apple. test\n\n\n"
+ "1apple.\n"
+ "1Apple.\n"
+ "apple.2\n"
+ "grape.1\n"
+ "testgrape.\n"
+ "grape.test\n"
+ "longwordApple.test\n"
+ "this is a Apple.test";
final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE | Pattern.CASE_INSENSITIVE);
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