import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "CAT:\"((?:[^\\\"]+|\\\\.)*)\"";
final String string = "adlo2gc01-adinbcgw01-16-04-28-12_37_20_1461847501.log:1464846761.422 184 10.221.251.213 TCP_NC_MISS/200 312 GET http://nqs-u33-gc2.redacted.com/ping?time=27.50399999995716&pingTime=5&totalBytes=334203&dataType=0&code=U_19160_3m2x9n8t2tywsyus&diffTime=5335 HTTP/1.1 userid -/nqs-usc1-gc2.redacted.com text/plain http://www.moon.com/audio Mozilla/5.0%20(Windows%20NT%206.1;%20WOW64)%20AppleWebKit/537.36%20(KHTML,%20like%20Gecko)%20Chrome/49.0.2623.112%20Safari/537.36 - --- OIP:114.155.103.27 AIP:215.74.50.9:8882 CAT:\"Business Economy\" NSL:0 OCT:27 ORT:60 XFF:11.51.42.169 PSP:52135 732 SSL-C:none SSL-V:- XVID:-";
final Pattern pattern = Pattern.compile(regex);
final Matcher matcher = pattern.matcher(string);
if (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