Error in 'where' command:Regex:quantifier does not follow a repeatable item

[Neel88]

| loadjob savedsearch="nobody:splunk_fcr_evo:monitoring"
| table adt, FLOW, Date, NbRecordsOKFCR, Total, NbRecords, NBFile, NA1, NA2, NA3, CM, Alert
| where match(FLOW, "$Flow_token$") and match(adt, "$adt_token$") $filter_green_lights$
| fields adt FLOW Date NA1, NA2, NA3,CM, "Total" | sort adt, Date

[ITWhisperer]

What values do you have in your tokens?

[Neel88]

Different values in TEXT, Duplicate values and special character ( / and _ ) only.

[Neel88]

Its like this- 

Date	FLOW	adt
01/01/2023	A_1	aa/b
01/01/2023	A_1	aa/c
01/01/2023	A_1	aad
01/01/2023	A_1	aae
01/01/2023	A_1	aa/f
01/01/2023	A_1	aag
01/01/2023	A_1	aah
01/01/2023	A_1	aa/i
01/01/2023	A_1	aaj
02/01/2023	A_1	aa/b
02/01/2023	A_1	aa/c
02/01/2023	A_1	aad
02/01/2023	A_1	aae
02/01/2023	A_1	aa/f
02/01/2023	A_1	aag
02/01/2023	A_1	aah
02/01/2023	A_1	aa/i
02/01/2023	A_1	aaj
01/01/2023	FN	a
01/01/2023	FN	b
01/01/2023	FN	c
01/01/2023	FN	d
01/01/2023	FN	e
01/01/2023	FN	g
01/01/2023	FN	h
01/01/2023	FN	i
02/01/2023	FN	a
02/01/2023	FN	b
02/01/2023	FN	c
02/01/2023	FN	d
02/01/2023	FN	e
02/01/2023	FN	g
02/01/2023	FN	h
02/01/2023	FN	i

[ITWhisperer]

You may have to escape the slash with a backslash e.g. 01\/01\/2023 although this is not a quantifier, for that you are looking for + or * or {1} for example. Please check all the values you have in your tokens.