A string occurrence check

ExampleUnitTest.java

public class ExampleUnitTest {

    private final String xterRegex = "[;\\\\:*?\\\"<>|&']";
    private final String alphanumericRegex = "^[a-zA-Z0-9]*$";

    @Test
    public void addition_isCorrect() throws Exception {
        System.out.println("====================================");
        //System.out.println("+".matches("[^A-Za-z0-9]"));
        System.out.println(acceptedPattern("They've"));
        assertEquals(4, 2 + 2);
    }

    @Test
    public void non_occurence_string_test() throws Exception {
        String str = "i have a male cat. the color of male cat is Black Willam";

        System.out.println(getNonOccurenceStringCount(str, "male cat"));

        System.out.println(getNonOccurenceStringCount(str, "male'cat"));

        System.out.println(getNonOccurenceStringCount(str, "male'cat "));

        System.out.println(getNonOccurenceStringCount(str, "male"));

        System.out.println(getNonOccurenceStringCount(str, "will"));

        System.out.println(getNonOccurenceStringCount(str, "will'am"));
    }

    private int getNonOccurenceStringCount(String main, String expected) {
        int count = 0;
        if (expected.matches(alphanumericRegex)) {
            //count = main.split(expected).length - 1;
            for (String s : main.toLowerCase().split(" ")) {
                if (s.equals(expected))
                    count += 1;
            }
        } else {
            if (acceptedPattern(expected)) {
                if (acceptedPattern(expected)) {
                    count = main.split(getSplitter(expected)).length - 1;
                } else {
                    count = -1;
                }
            } else {
                count = -1;
            }
        }
        return count;
    }

    private boolean acceptedPattern(String s) {
        String regex = "^\\w*\\W?\\w*$";
        Pattern p = Pattern.compile(regex);
        return p.matcher(s).find() && !s.contains(" ");
    }

    private String getSplitter(String s) {
        return s.replaceAll(xterRegex, " ");
    }
}