import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "\n"
+ "(\\d+)\\t(\\d+)";
final String string = "\n"
+ "6 9\n\n"
+ "6 10\n\n"
+ "8 11\n\n"
+ "9 12\n\n"
+ "10 13\n\n"
+ "11 14\n\n"
+ "12 15\n\n"
+ "13 16\n\n"
+ "14 17\n\n"
+ "15 18\n\n"
+ "16 19\n\n"
+ "17 20\n\n"
+ "18 21\n\n"
+ "19 22\n\n"
+ "20 23\n\n"
+ "5 24\n\n"
+ "4 25\n\n"
+ "21 26\n\n"
+ "22 27\n\n"
+ "1 28\n\n"
+ "23 29\n\n"
+ "24 30\n\n"
+ "25 31\n\n"
+ "26 32\n\n"
+ "27 33\n\n"
+ "28 34\n\n"
+ "29 35\n\n"
+ "30 36\n\n"
+ "31 37\n\n"
+ "32 38\n\n"
+ "33 39\n\n"
+ "34 40\n\n"
+ "35 41\n\n"
+ "36 42\n\n"
+ "37 43\n\n"
+ "38 44\n\n"
+ "39 45\n\n"
+ "40 46\n\n"
+ "41 47\n\n"
+ "42 48\n\n"
+ "43 49\n\n"
+ "44 50\n\n"
+ "45 51\n\n"
+ "46 52\n\n"
+ "47 53\n\n"
+ "48 54\n\n"
+ "49 55";
final String subst = "INSERT INTO loyalty_rule(rule_id_fk, loyalty_id_fk) VALUES ($1, $2);";
final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
final Matcher matcher = pattern.matcher(string);
// The substituted value will be contained in the result variable
final String result = matcher.replaceAll(subst);
System.out.println("Substitution result: " + result);
}
}
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