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Regular expression - how to negate ^[A-Z]{4}[0-9]{2}$

styvane
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  • Many tools offer negation like `grep -v`. In programming languages you can use something like `if(!match(str, pattern))` – hek2mgl Mar 16 '15 at 10:53

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see demo here https://regex101.com/r/bO9pH0/2

/^(?![A-Z]{4}[0-9]{2}$).*/gm
Vladu Ionut
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