import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "(\\+|\\-)?(\\d{1,})(?:\\s|)(ms|millisecond(?:\\(s\\)|s|)|second(?:\\(s\\)|s|)|sec|s(?:\\s|$)|minute(?:\\(s\\)|s|)|min|m(?:\\s|$)|h(?:\\s|$)|hour(?:\\(s\\)|s|)|h(?:\\s|$)|day(?:\\(s\\)|s|)|d(?:\\s|$)|week(?:\\(s\\)|s|)|w(?:\\s|$)|month(?:\\(s\\)|s|)|mm(?:\\s|$)|year(?:\\(s\\)|s|)|y(?:\\s|$))(?:\\s|$)?";
final String string = "+1ms\n"
+ "+19milliseconds\n"
+ "+7 milliseconds\n"
+ "-1 millisecond\n"
+ "+7 s\n"
+ "+8 s\n"
+ "+4 seconds\n"
+ "-1 second\n\n"
+ "+10 minutes\n"
+ "+1A minutes\n"
+ "-1 minute\n"
+ "+1m\n"
+ "-1m\n"
+ "+1 m\n"
+ "-2 m\n"
+ "1 more time\n"
+ "1min\n"
+ "1 min\n\n"
+ "+19 hours\n"
+ "-1 hour\n"
+ "+1h\n"
+ "-1h\n"
+ "+1 h\n"
+ "-2 h\n\n"
+ "+1 day(s)\n\n"
+ "+2 week(s)\n\n"
+ "+3mm\n"
+ "+3 month(s)\n\n"
+ "+4 year(s)\n\n"
+ "1ms\n\n"
+ "public Myles +1 minute\n"
+ "Porter Robinson & Madeon - Shelter - Acapella Cover\n"
+ "haha xd +4 years lol";
final Pattern pattern = Pattern.compile(regex, Pattern.CASE_INSENSITIVE | 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