import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "\\W([A-Za-z]{8}\\d{2})\\W";
final String string = "1:nlcbjduy14 <- I want regex to find this one \n"
+ "2:Peoples123 <- I don't want regex to find this one, as it has 3 digits.\n"
+ "3:sqourzyr17 <- I want regex to find this one\n"
+ "4:rdmaszgr94 <- I want regex to find this one\n"
+ "5:tnwiudic22 <- I want regex to find this one\n"
+ "6:zfcxmkrs21 <- I want regex to find this one\n"
+ "7:xrwhsgno55 <- I want regex to find this one\n"
+ "8:modtwtrr06 <- I want regex to find this one\n"
+ "9:People123 <- I don't want regex to find this one, as it is isn't 10 chars long and it consists of 3 digits.\n"
+ "10:aetmyqqh52 <- I want regex to find this one\n"
+ "11:Howtocodelikeapro12 <- I don't want regex to find this one, as it is isn't 10 chars long\n"
+ "12:netphvib58 <- I want regex to find this one\n"
+ "13:uwyiqhoj29 <- I want regex to find this one\n"
+ "14:RegexJustiIsntDoingItForMe\n"
+ "15:qyeiaecj27 <- I want regex to find this one\n"
+ "16:buttercake <- I don't want regex to find this one, as it doesn't end with 2 digits.\n"
+ "17:bcyiyjdm23 <- I want regex to find this one\n"
+ "18:Differings <- I don't want regex to find this one, as it doesn't end with 2 digits.";
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