import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "((?:(?:123456)|(?:1[2-5]*)|(?:[2-5]*6)) )";
final String string = "12456 123456 34 1236 123456 1234 45 123456 whitings\n"
+ "14 356 124 6 12345 6 1245 malformations\n"
+ "12456 23456 2356 12345 12345 123456 6 furnishings\n"
+ "12456 34 34 356 12356 15 26 13 gastrointestinal\n"
+ "23456 1 234 3 5 12356 lawyer\n"
+ "2356 345 12345 4 4 1 6 gripped\n"
+ "1 236 145 23 16 4 12356 4 3 packers\n"
+ "1245 146 2 2 23 126 1235 2356 4 3 outrun\n\n"
+ "should not match ^\n\n"
+ "123456 123456 123456 123456 35 12456 123456 123456 23 356 23456 25 replenishes\n"
+ "3456 45 35 12456 1346 256 2356 123456 1236 123456 1346 flophouse\n"
+ "356 123456 56 12356 4 3 2356 6 12456 1246 12356 footsteps\n"
+ "123456 156 2356 136 123456 146 123456 5 12356 123456 1456 expurgations\n"
+ "12346 2 2346 123456 2356 56 245 12346 13456 12456 misidentifies\n"
+ "1256 345 24 12456 12356 123456 12356 356 1256 5 26 swine\n"
+ "123456 45 456 12346 136 12346 6 24 12346 4 56 235 extremists\n"
+ "346 1236 2356 13456 123456 23456 1346 1256 123456 24 346 245 hexagonal\n\n"
+ "14 23456 12356 1234 15 1456 1245 123456 23456 chrysanthemums\n"
+ "245 34 123456 123456 12 346 134 4 245 1245 146 6 gravitate\n"
+ "346 1245 136 23456 5 1356 123456 5 123456 123456 octettes\n"
+ "134 3456 15 15 46 34 123456 123456 3456 246 quasar\n"
+ "123456 35 123456 123456 123456 1245 123456 12456 1 surprisings\n"
+ "356 12346 1246 1235 4 12356 2 13456 13456 236 emptied\n"
+ "23456 2356 12456 134 2356 256 12456 12346 1 13 ennoblement\n"
+ "123456 235 16 5 13456 15 2 1456 12356 3456 3 123456 quadratic\n\n"
+ "should match ^";
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