Examples of java.util.regex.MatchResult.groupCount()

java.util.regex.MatchResult.groupCount()
Returns the number of capturing groups in this match result's pattern.
Group zero denotes the entire pattern by convention. It is not included in this count.
Any non-negative integer smaller than or equal to the value returned by this method is guaranteed to be a valid group index for this matcher.
@return The number of capturing groups in this matcher's pattern

        assertEquals(0, result.start());
        assertEquals(4, result.end());
        assertEquals(0, result.start(0));
        assertEquals(4, result.end(0));
        assertEquals("True", result.group());
        assertEquals(0, result.groupCount());
        s.close();
        try {
            s.nextBoolean();
            fail("should throw IllegalStateException");
        } catch (IllegalStateException e) {

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        assertEquals(0, result.start());
        assertEquals(4, result.end());
        assertEquals(0, result.start(0));
        assertEquals(4, result.end(0));
        assertEquals("True", result.group());
        assertEquals(0, result.groupCount());
        
        s = new Scanner("True fase");
        assertTrue(s.nextBoolean());
        assertEquals(0, result.groupCount());
        try {

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        assertEquals("True", result.group());
        assertEquals(0, result.groupCount());
        
        s = new Scanner("True fase");
        assertTrue(s.nextBoolean());
        assertEquals(0, result.groupCount());
        try {
            s.nextBoolean();
            fail("Should throw InputMismatchException");
        } catch (InputMismatchException e) {
            // expected

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        assertEquals(0, result.start());
        assertEquals(4, result.end());
        assertEquals(0, result.start(0));
        assertEquals(4, result.end(0));
        assertEquals("True", result.group());
        assertEquals(0, result.groupCount());
        
    }
     
    /**
     * @throws IOException

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                        String.format("Regular expression: '%1$s'", regexp)));
            }
            
            // Populate variable scope with matched parts
            MatchResult res = m.toMatchResult();
            int groupCount = res.groupCount();
            for (int i = 0; i <= groupCount; ++i) {
                variables.setVariable(Integer.toString(i), res.group(i));
            }
            variables.setVariable("groupCount", Integer.toString(groupCount));
        }

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        }




        MatchResult mr = t.getPattern().match(uri);
        assertNotNull(mr);
        assertEquals(values.length, mr.groupCount());
        assertEquals(uri, mr.group());
        assertEquals(uri, mr.group(0));
        assertEquals(0, mr.start());
        assertEquals(uri.length(), mr.end());
        assertEquals(0, mr.start(0));

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        assertEquals(uri, mr.group(0));
        assertEquals(0, mr.start());
        assertEquals(uri.length(), mr.end());
        assertEquals(0, mr.start(0));
        assertEquals(uri.length(), mr.end(0));
        for (int i = 0; i < mr.groupCount(); i++) {
            assertEquals(values[i], mr.group(i + 1));
            assertEquals(values[i], uri.substring(mr.start(i + 1), mr.end(i + 1)));
        }
    }

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        MatchResult matchResult;


        for (PathPattern pattern : patterns) {
            matchResult = pattern.match(rhp);
            assertNotNull("No match of " + rhp + " for pattern " + pattern, matchResult);
            rhp = matchResult.group(matchResult.groupCount());
            rhp = (rhp == null) ? "" : rhp;
        }


        Assert.assertEquals("", rhp);

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        rhp = path2;


        for (PathPattern pattern : patterns) {
            matchResult = pattern.match(rhp);
            rhp = matchResult.group(matchResult.groupCount());
        }


        assertEquals("/", rhp);
    }

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    public void testLastElementOfMatchIsRestOfPath() throws Exception {
        PathPattern path = new PathPattern("{a: (\\d)(\\d*)}-{b: (\\d)(\\d*)}-{c: (\\d)(\\d*)}");




        MatchResult m = path.match("/123-456-789/d");
        String value = m.group(m.groupCount());


        assertEquals(
                "Last value should match all of the trailing part",
                "/d",
                value

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