cased

Written as cased(argnum flags):options in a transform expression.

Minimum arguments	1
Maximum arguments	1
Default arguments	1
Argument modes	SINGLE_PRIMITIVE

Documentation

Convert text casing according to specified style.

This transform modifies the case of input text according to the specified option. Multiple casing styles are supported through the options string.

Supported Options:

• ‘lower’: Convert all characters to lowercase (default)
• ‘upper’: Convert all characters to uppercase
• ‘title’: Convert first character of each word to uppercase
• ‘swap’: Invert case of each character

Notes:

• Defaults to lowercase if no option specified
• Empty option string is treated as ‘lower’
• Raises ValueError for invalid option values
• Preserves non-alphabetic characters
• Locale-aware for case conversion

Flags

Flag	Letter
noncaptive_input	I

Examples

Convert to lowercase (default)

Input args: ["Hello World"]
Transforms: "cased:"
Output: "hello world"

Convert to lowercase (explicit)

Input args: ["Hello World"]
Transforms: "cased:lower"
Output: "hello world"

Convert to uppercase

Input args: ["Hello World"]
Transforms: "cased:upper"
Output: "HELLO WORLD"

Convert to title case

Input args: ["hello world"]
Transforms: "cased:title"
Output: "Hello World"

Swap case

Input args: ["Hello World"]
Transforms: "cased:swap"
Output: "hELLO wORLD"