Function camelCaseToWords

Converts a camelCase or PascalCase string into a space-separated, lowercase string.

Returns

A new string where each uppercase letter is preceded by a space and all letters are lowercase.

Example

camelCaseToWords('camelCaseString'); // → 'camel case string'
camelCaseToWords('PascalCase');      // → 'pascal case'

Remarks

• Useful for converting identifiers into human-readable words.
• Leading spaces are preserved if the string starts with an uppercase letter.