numpy.core.defchararray.isdigit¶
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numpy.core.defchararray.
isdigit
(a)[source]¶ Returns true for each element if all characters in the string are digits and there is at least one character, false otherwise.
Calls str.isdigit element-wise.
For 8-bit strings, this method is locale-dependent.
Parameters: a : array_like of str or unicode
Returns: out : ndarray
Output array of bools
See also