.forEach(file -> {
                    try {
                        // The regex `^\\s*\\[\\[(.*)\\]\\]` looks for lines starting with '[[...]]'
                        // and captures the content within the brackets.
                        Files.readAllLines(file).forEach(line -> {
                            if (line.matches("^\\s*\\[\\[(.*)\\]\\].*")) {

        assertTrue(CharUtil.isUrlChar('&'));
        assertTrue(CharUtil.isUrlChar('?'));
        assertTrue(CharUtil.isUrlChar('#'));
    }

    public void test_isUrlChar_brackets() {
        // Test brackets
        assertTrue(CharUtil.isUrlChar('['));
        assertTrue(CharUtil.isUrlChar(']'));
    }

    public void test_isUrlChar_otherAllowedChars() {
        // Test other allowed characters

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