Test:        TestSC
Result:      test_s_c
Expectation: test_sc
Test result: false

Test:        testSC
Result:      test_s_c
Expectation: test_sc
Test result: false

Test:        TestSnakeCase
Result:      test_snake_case
Expectation: test_snake_case
Test result: true

Test:        testSnakeCase
Result:      test_snake_case
Expectation: test_snake_case
Test result: true

Test:        TestSnakeCase123
Result:      test_snake_case123
Expectation: test_snake_case123
Test result: true

Test:        _testSnakeCase123
Result:      _test_snake_case123
Expectation: _test_snake_case123
Test result: true

Test:        test_SC
Result:      test__s_c
Expectation: test_sc
Test result: false

------------------------------------
Test:        TestSC
Result:      test_sc
Expectation: test_sc
Test result: true

Test:        testSC
Result:      test_sc
Expectation: test_sc
Test result: true

Test:        TestSnakeCase
Result:      test_snake_case
Expectation: test_snake_case
Test result: true

Test:        testSnakeCase
Result:      test_snake_case
Expectation: test_snake_case
Test result: true

Test:        TestSnakeCase123
Result:      test_snake_case123
Expectation: test_snake_case123
Test result: true

Test:        _testSnakeCase123
Result:      _test_snake_case123
Expectation: _test_snake_case123
Test result: true

Test:        test_SC
Result:      test_sc
Expectation: test_sc
Test result: true