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/pandas 0.23

pandas.Series.str.isdecimal

Series.str.isdecimal() [source]

Check whether all characters in each string in the Series/Index are decimal. Equivalent to str.isdecimal().

Returns:
is : Series/array of boolean values

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Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.23.4/generated/pandas.Series.str.isdecimal.html