numpy.core.defchararray.isdigit

numpy.core.defchararray.isdigit(a)[源代码]

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

参见

str.isdigit