Examples/src/main/java/org/openestate/io/examples/utils/RandomStringUtils.java
public static String randomNumeric(int length) {
        return new RandomStringGenerator.Builder()
                .filteredBy(NUMBERS)
                .build().generate(length);
    }
public static String randomNumeric(int length) {
        return new RandomStringGenerator.Builder()
                .filteredBy(NUMBERS)
                .build().generate(length);
    }
Generate a random string with ASCII digits.

@param length length of the generated string
@return generated string