User DocsTemplatesAnyDB FormulasFunctionsISMACADDRESSOn this pageISMACADDRESS Checks whether a string is a valid MAC address. Syntax ISMACADDRESS(text) Arguments text: The string to test. Example ISMACADDRESS("00:1A:2B:3C:4D:5E") → TRUEISMACADDRESS("00:1A:2B:3C:4D:ZZ") → FALSE