import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "(^|(?<=\\s))\\d{8,12}(?=\\s|\\.|$)";
final String string = "e5655558888\n"
+ "r666666\n"
+ "t 5987442510\n"
+ "j69698888885\n"
+ "U 568457562388 11255525h555h4 4444444444444444 5655555/85 55555-555-23-23 55 This next section I do NOT want to be captured 636363666-66-12345678\n"
+ "I56588895620\n"
+ "56854444002 this number can be anywhere in the sentence ike this: 123456789 Or it could just be like this 98765432 these are good\n"
+ "but it should NOT find this 050860404-01e0-4a5a-b8db-a97f26a668ac\n"
+ "p 63666900000\n"
+ "bank account 12356895555\n"
+ "123456780000\n"
+ "2222\n"
+ "05086040\n"
+ "Not sure what the plan might be thought for when i have a sentence with account information for my checking account written in a document like this, here is the savings account number 1234567890. thank you. overdraft 9876543210";
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