What is Case Conversion?

Case Conversion — Glossário

Transforming text between uppercase, lowercase, title case, sentence case, or camelCase formats.

Detalhe técnico

Case Conversion transformation follows Unicode's case-mapping rules, which are more complex than ASCII uppercasing. The German eszett (ß) uppercases to 'SS' (one-to-many mapping). Turkish has dotted and dotless I variants. Title case must handle articles and prepositions differently across languages. Unicode provides three case-mapping tables: simple (1:1 character), full (1:many), and language-specific (locale-dependent) — all defined in UnicodeData.txt and SpecialCasing.txt.

Exemplo

```javascript
const text = 'hello world example';

text.toUpperCase();  // 'HELLO WORLD EXAMPLE'
text.toLowerCase();  // 'hello world example'

// Title Case (capitalize each word)
text.replace(/\b\w/g, c => c.toUpperCase());
// → 'Hello World Example'

// camelCase
text.replace(/\s+(\w)/g, (_, c) => c.toUpperCase());
// → 'helloWorldExample'
```

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Termos relacionados

Conversion Plain Text Rich Text Line Ending BOM Word Count Slug Whitespace String Interpolation Escape Character Unicode ASCII Lorem Ipsum Truncation Stemming Tokenization N-gram Readability Score String Distance Text Encoding Diacritics Ligature Kerning Leading CJK RTL Normalization (Text) Grep Transliteration ROT13 Text Diff Conversion Rate