numpy.char.isdigit

char. 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

str.isdigit