sentenceCase()

sentenceCase(str): string

Converts a string to Sentence case.

note

First character uppercase, rest lowercase. Alias behavior of capitalize.

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Parameters

str: string

The string to convert.

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Returns: string

The string in Sentence case.

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See Also

capitalize

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Since

2.0.0

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Also known as

❌ (Lodash, es-toolkit, Remeda, Radashi, Ramda, Effect, Modern Dash, Antfu)

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Example

sentenceCase('HELLO WORLD'); // => 'Hello world'
sentenceCase('hELLO wORLD'); // => 'Hello world'
sentenceCase('hello');       // => 'Hello'

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How it works?

Converts a string to Sentence case. First character uppercase, rest lowercase.

Conversion Examples

Input	Output
HELLO WORLD	Hello world
hELLO wORLD	Hello world
hello	Hello

Process

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Use Cases

Format titles 📌

Convert text to natural sentence case (first letter capitalized, rest lowercase). Useful for blog post titles or UI headings.

#format#titles#sentence-case#capitalize#headings#natural#design system

const title = sentenceCase('HELLO WORLD'); // 'Hello world'

Normalize error messages

Standardize error message formatting for consistent UI.

#normalize#errors#messages#formatting#standardize#UI#design system

const error = sentenceCase('INVALID_EMAIL_FORMAT'); // 'Invalid email format'