Browse Rules: 6,146 matches
These are some of the errors that LanguageTool can detect. Visit the LanguageTool homepage to use it online.
| Description | Example | Category |
|---|---|---|
| Interval scale: doubling values ('twice as hot') | It's half as warm as it was yesterday. | Semantics |
| Usage of German quotes („“) | She said „Yes“. | Typography |
| Usage of German quotes („“) | „Yes“, she said. | Typography |
| Usage of German quotes („“) | I'm very „happy”. | Typography |
| Usage of German quotes („“) | I'm very „happy“. | Typography |
| a la (à la) | Monday has told us mind games are football speak for inane ranting a la Vera Duckworth. | Typography |
| cafe (café) | We ate at a cafe. | Typography |
| Two consecutive spaces | This is a sentence with two consecutive spaces. | Typography |
| Two consecutive spaces following a single character (with two consecutive spaces preceding it) | This is a test. | Typography |
| Missing whitespace before a parenthesis | I'm from San Diego(California). | Typography |
| 3dogs (3 dogs) | It took me 1min. | Typography |
| 3dogs (3 dogs) | I have 3dogs. | Typography |
| 12,5% → 12.5% | The price rose by 12,5% | Typography |
| 12,5% → 12.5% | The price rose by $12,50 | Typography |
| 12,5% → 12.5% | The price rose by 12,50 % | Typography |
| 12,5% → 12.5% | They have 32.000 users. | Typography |
| 12,5% → 12.5% | We now have 32.500.000 users. | Typography |
| 12,5% → 12.5% | I earned 32.000,23. | Typography |
| 12,5% → 12.5% | More than 2,5 million people use our products. | Typography |
| space after apostrophe in contraction (e.g. I' m) | Maybe I' m missing something? | Typography |
| space after apostrophe in contraction (e.g. I' m) | Maybe I 'm missing something? | Typography |
| TL DR (TL;DR) | tl:dr it was great!. | Typography |
| O Connor (O'Connor) | His name is O conor. | Typography |
| redundant apostrophe | We''ll be ready next week. | Typography |
| redundant apostrophe | He wasn''t ready yet. | Typography |
| redundant apostrophe | Tom''s new girlfriend is very beautiful. | Typography |
| double quote instead of apostrophe | We"ll be ready next week. | Typography |
| double quote instead of apostrophe | He wasn"t ready yet. | Typography |
| double quote instead of apostrophe | Tom"s new girlfriend is very beautiful. | Typography |
| missing apostrophe | He ll take care of it tomorrow. | Typography |
| missing apostrophe | I ve no idea what you're talking about. | Typography |
| missing apostrophe | He s great. | Typography |
| missing apostrophe | They re the best. | Typography |
| missing apostrophe | We re going out tonight. | Typography |
| missing apostrophe | I m the best. | Typography |
| missing apostrophe | He d do it. | Typography |
| missing apostrophe | Here s what I think. | Typography |
| number + (th, nd, st, rd) | He arrived on the 8 th. | Typography |
| (TM) instead of ™ | The new product is Executive Choice(TM) Plus. | Typography |
| (R) instead of ® | Windows (R) | Typography |
| (c) instead of © | Copyright (C) Joanna Bator, 2012 | Typography |
| (c) instead of © | Copyright (C) Joanna Bator, 2012 | Typography |
| Position of currency symbols: '100$' ($100) | You owe me 7.25$. | Typography |
| Whitespace after currency symbols: '$ 100' ($100) | You owe me $ 100. | Typography |
| Smart quotes (“”) | This is a "test". | Typography |
| Smart quotes (“”) | This is a "new test". | Typography |
| Smart quotes (“”) | This is a ("test"). | Typography |
| Smart quotes (“”) | This is a ("test") | Typography |
| Smart quotes (“”) | ``Test”. | Typography |
| Smart quotes (“”) | „Test”. | Typography |
| require typographical (curly) apostrophe (’) | An actress's role | Typography |
| require typewriter (straight) apostrophe (') | An actress’s role | Typography |
| Wrong apostrophe character | You shouldn´t do it! | Typography |
| Wrong apostrophe character | She´ll make a decision tomorrow. | Typography |
| Wrong apostrophe character | I´ll be here. | Typography |
| Wrong apostrophe character | You´ll have to decide. | Typography |
| Wrong apostrophe character | You shouldn;t do it! | Typography |
| Wrong apostrophe character | What´s the problem? | Typography |
| Wrong apostrophe character | The book´s easy to read. | Typography |
| two tank's (tanks) | He has two tank's | Typography |
| two tank's (tanks) | A lot of modern API's are based on JSON. | Typography |
| two tank's (tanks) | Many modern API's are based on JSON. | Typography |
| two tank's (tanks) | Many of those API's are based on JSON. | Typography |
| two tank's (tanks) | I have many CD's. | Typography |
| two tank's (tanks) | The idea's we had were all really good. | Typography |
| two tank's (tanks) | This should be sent to user's that don't have Premium yet. | Typography |
| two tank's (tanks) | This is the place where user's would go. | Typography |
| two tank's (tanks) | This is the place where most user's would go. | Typography |
| two tank's (tanks) | I think user's would expect it there. | Typography |
| two tank's (tanks) | I think most user's would expect it there. | Typography |
| Apostrophe in dates | Hillary Clinton asked where Bernie Sanders was in the 1990's. | Typography |
| Apostrophe in holidays (Mother's Day) | What did you do on Valentines day last year? | Typography |
| Apostrophe in holidays (Mother's Day) | What did you do on New Years' Day? | Typography |
| Apostrophe in holidays (Mother's Day) | What are your New Years resolutions? | Typography |
| Apostrophe in holidays (Mother's Day) | He hosted a party on Veteran's Day. | Typography |
| Apostrophe in holidays (Mother's Day) | He hosted a party on Patriot's Day. | Typography |
| Apostrophe in holidays (Mother's Day) | He hosted a party on Patriots Day. | Typography |
| Apostrophe in holidays (Mother's Day) | All Saints Day is a Christian festival celebrated in honour of all the saints. | Typography |
| Apostrophe in holidays (Mother's Day) | Let's celebrate international womans day. | Typography |
| Apostrophe in holidays (Mother's Day) | Happy womans day. | Typography |
| Capitalization of words derived from proper nouns | During the decline of the Ottoman Empire, these areas began to balkanize. | Typography |
| Capitalization of words derived from proper nouns | These romanizers think that the Roman Catholic church... | Typography |
| Capitalization of words derived from proper nouns | Examples of this byzantine architecture… | Typography |
| Arrows: -> (→) | -> Point 1 | Typography |
| Arrows: -> (→) | A <- B | Typography |
| Arrows: -> (→) | A <=> B | Typography |
| Typography for hypotheses | H0: There are no significant effects. | Typography |
| Typography for hypotheses | H1: Compound A has significant effects. | Typography |
| Typography for hypotheses | H2: Compound B has significant effects. | Typography |
| Typography for hypotheses | H3: Compound A combined with compound B has significant effects. | Typography |
| Typography for hypotheses | H4: There are significant effects in the absence of compound C. | Typography |
| Typography for hypotheses | H5: Compound C has significant effects. | Typography |
| Typography for hypotheses | H6: Compound D has significant effects. | Typography |
| Typography for hypotheses | H7: Compound E has significant effects. | Typography |
| Typography for hypotheses | H8: Compound F has significant effects. | Typography |
| Typography for hypotheses | H9: Compound G has significant effects. | Typography |
| Mathematics: Multiplication: x - × | h = 6,626 x 10⁻³⁴ J.s | Typography |
| Mathematics: Multiplication: x - × | c=2,998x10⁸ m/s | Typography |
| Mathematics: Multiplication: x - × | a=5*x+7 | Typography |
| Mathematics: +- - ± | m = 75,5 +- 0,1 g | Typography |
LanguageTool 6.7-SNAPSHOT (2025-07-10 22:33:09 +0200)