import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "^[A-Za-z0-9+\\/]{22}==$";
final String string = "/*Base64 encoded object GUID*/\n"
+ "z5mytpY3n0uS7WotFo0XPQ==\n"
+ "y1NiJQ4GvkOc6Sza75j61A==\n"
+ "LGRAKG1ns0u0i7HlruqP3Q==\n"
+ "QOrSNu771Eyc8xQ2pS1jFg==\n"
+ "X9wPxWuMukaZZyDBof7znw==\n"
+ "lQk7QUbexkGt8s6xEu0UoA==\n"
+ "lQk7QUbexkGt8s6xEu0UoA==\n"
+ "lQk7QUbexkGt8s6xEu0UoA==\n"
+ "FCE4wll/okm/2Hgp2cdmMg==\n"
+ "qAzTWmiXT0SHg2sh9h2r8g==\n"
+ "ksVRSMPQhEGrcm6giubf1w==\n"
+ "2BB+XUPh/0mdSrk7tcoi9g==\n"
+ "PtsmDdnwwkKMIOpifql3EQ==\n"
+ "10hez6mxQk+PGIwoNvIzWg==\n"
+ "sr9hU+51nUClfMW/rs6Sog==\n"
+ "zqVrydHA/UqX1OH+TZaaNg==\n"
+ "mL5TJlQ2U0euhNgPXRKcyA==\n"
+ "z5mytpY3n0uS7WotFo0XPQ==";
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