import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "(?P<timestamp>[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{6}Z) ? ? ? ? ? ?(?P<connID>[0-9]+) (?P<name>[a-zA-Z]+) (?P<sqltext>[^\\n]+)";
final String string = "---my SQL--- \n\n"
+ "2018-03-31T15:38:44.521650Z 2356 Query SELECT c FROM sbtest1 WHERE id=164802\n"
+ "2018-03-31T15:38:44.521790Z 2356 Query SELECT c FROM sbtest1 WHERE id BETWEEN 95241 AND 95340\n"
+ "2018-03-31T15:38:44.522168Z 2356 Query SELECT SUM(k) FROM sbtest1 WHERE id BETWEEN 1 AND 100\n"
+ "2018-03-31T15:38:44.522500Z 2356 Query SELECT c FROM sbtest1 WHERE id BETWEEN 304556 AND 304655 ORDER BY c\n"
+ "2018-03-31T15:38:44.522941Z 2356 Query SELECT DISTINCT c FROM sbtest1 WHERE id BETWEEN 924 AND 1023 ORDER BY c\n"
+ "2018-03-31T15:38:44.523525Z 2356 Query UPDATE sbtest1 SET k=k+1 WHERE id=514";
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