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camelCase
-
First word lowercase, subsequent words capitalized
PascalCase
-
All words capitalized, no separator
snake_case
-
Lowercase with underscores
SCREAMING_SNAKE
-
Uppercase with underscores (constants)
kebab-case
-
Lowercase with hyphens (URLs, CSS)
Train-Case
-
Capitalized words with hyphens
Title Case
-
Capitalized words with spaces
Sentence case
-
First word capitalized only
lowercase
-
All lowercase
UPPERCASE
-
All uppercase
dot.case
-
Lowercase with dots
path/case
-
Lowercase with slashes
URL Slug
-
URL-safe slug with transliteration, special char removal, and optional stop word filtering
Common Use Cases
JavaScript
camelCase for variables, PascalCase for classes
Python
snake_case for variables, SCREAMING_SNAKE for constants
CSS
kebab-case for class names and properties
Java/C#
camelCase for methods, PascalCase for classes
URLs/SEO
URL Slug with transliteration and stop word removal
Env Vars
SCREAMING_SNAKE_CASE