Found a defect in the FIND function during the process of multi-value query.

[podmask]

Description

func TestMyTest(t *testing.T) {
	f, err := excelize.OpenFile("../test.xlsx")
	if err != nil {
		fmt.Println(err)
		return
	}
	defer f.Close()
	f.SetCellValue("sheet1", "D2", "张三")
	f.SetCellFormula("sheet1", "B2", `OR(ISNUMBER(FIND({"王五","李四","张三","陈七","刘大"},D2)))`)
	value, err := f.CalcCellValue("sheet1", "B2")
	if err != nil {
		fmt.Println("ERROR:", err)
		return
	}
	t.Log("value is:", value)
}

Steps to reproduce the issue:

1. Run this test.

Describe the results you received:

=== RUN   TestMyTest
    d:\DEV\go-dev\excelizer\testing\excel_test.go:99: value is: FALSE
--- PASS: TestMyTest (0.01s)
PASS
ok  	excelizer/testing	0.271s

Describe the results you expected:

=== RUN   TestMyTest
    d:\DEV\go-dev\excelizer\testing\excel_test.go:99: value is: TRUE
--- PASS: TestMyTest (0.01s)
PASS
ok  	excelizer/testing	0.271s

Output of go version:

(paste your output here)

Excelize version or commit ID:
WPS

(paste here)

Environment details (OS, Microsoft Excel™ version, physical, etc.):

[xuri]

Thanks for your issue. I have fixed this, and this patch has been released on v2.8.1, please upgrade to the lasted version.

[podmask]

Thank you for your attention to this issue. I have updated to version v2.8.1 following your guidance, but the result of the unit test is still "FALSE". Could you please confirm if your test environment has passed this test?

[xuri]

Thanks for your feedback. This issue has been fixed. Please try to upgrade to the master branch code by go get -u github.com/xuri/excelize/v2@master, and this patch will be released in the next version.