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Browse Rules: 6,136 matches

These are some of the errors that LanguageTool can detect. Visit the LanguageTool homepage to use it online.

Description Example Category
A new year has begun IGD Convention 2014 - 31/10/2013 Semantics
Impossible dates (April 31st, etc.) She will join us on 10/34/2022. Semantics
Impossible dates (April 31st, etc.) She will join us on 6/31/2022. Semantics
a zero day (zero-day) exploit Google security engineers discovered a 0 day exploit. Grammar
Replace '12 am' with 'midnight' At 12 am Wikipedia
Replace '12 pm' with 'noon' At 12 pm Wikipedia
PM in the evening (PM) It's 1 P.M. at night. Redundant Phrases
'19 century' (19th century) We're living in the 21 century Grammar
missing hyphen in 'two factor auth' He enabled 2 factor auth to protect his Facebook account. Grammar
one years (year) old He is only 1 years old. Grammar
LanguageTool 6.6-SNAPSHOT (2024-12-02 22:33:09 +0100)