constr

A wrapper around str that allows for additional constraints.

def constr(
    strip_whitespace: bool | None = None,
    to_upper: bool | None = None,
    to_lower: bool | None = None,
    strict: bool | None = None,
    min_length: int | None = None,
    max_length: int | None = None,
    pattern: str | Pattern[str] | None = None,
    ascii_only: bool | None = None
) - > type[str]

A wrapper around str that allows for additional constraints.

Parameters

Name	Type	Description
strip_whitespace	`bool	None` = None
to_upper	`bool	None` = None
to_lower	`bool	None` = None
strict	`bool	None` = None
min_length	`int	None` = None
max_length	`int	None` = None
pattern	`str	Pattern[str]
ascii_only	`bool	None` = None

Returns

Type	Description
type[str]	The wrapped string type.