pandera.backends.narwhals.builtin_checks.str_length

pandera.backends.narwhals.builtin_checks.str_length(col_expr, min_value=None, max_value=None, exact_value=None)

Ensure that the length of strings is within a specified range.

Parameters:

• col_expr (Expr) – Narwhals column expression to check.

• min_value (UnionType[int, None]) – Minimum length of strings (inclusive). (default: no minimum)

• max_value (UnionType[int, None]) – Maximum length of strings (inclusive). (default: no maximum)

• exact_value (UnionType[int, None]) – Exact length of strings. (default: no exact value)

Return type:

Expr