cudf.core.column.string.StringMethods.isinteger#

StringMethods.isinteger() → SeriesOrIndex#

Check whether all characters in each string form integer.

If a string has zero characters, False is returned for that check.

Returns

Series or Index of bool: Series or Index of boolean values with the same length as the original Series/Index.

See also

isalnum: Check whether all characters are alphanumeric.
isalpha: Check whether all characters are alphabetic.
isdecimal: Check whether all characters are decimal.
isdigit: Check whether all characters are digits.
isnumeric: Check whether all characters are numeric.
isfloat: Check whether all characters are float.
islower: Check whether all characters are lowercase.
isspace: Check whether all characters are whitespace.
isupper: Check whether all characters are uppercase.

Examples

>>> import cudf
>>> s = cudf.Series(["1", "0.1", "+100", "-15", "abc"])
>>> s.str.isinteger()
0     True
1    False
2     True
3     True
4    False
dtype: bool
>>> s = cudf.Series(["this is plan text", "", "10 10"])
>>> s.str.isinteger()
0    False
1    False
2    False
dtype: bool