Regex
examples/other/MyRegex.java
import java.util.regex.Pattern; import java.util.regex.Matcher; public class MyRegex { public static void main(String[] args) { String[] emails = {"abc@corporate.com", "demo-id12@corporate.com", "demo-id12@other.com"}; Pattern pattern = Pattern.compile("demo-id[0-9]+@corporate\\.com$"); for (int i=0; i < emails.length; i++) { System.out.println(emails[i]); Matcher matcher = pattern.matcher(emails[i]); if (matcher.find()) { System.out.println("OK"); } } } }