Check if a string is lowercase.

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Description

Return TRUE if all cased characters in the string are lowercase and there is at least one cased character, FALSE otherwise.

Usage

1

Arguments

str

A character vector.

Value

A logical vector.

References

https://docs.python.org/3/library/stdtypes.html#str.islower

See Also

pystr_isupper

Examples

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pystr_islower("all lowercase!")
pystr_islower("All Lowercase?")
pystr_islower("abc123")

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