numpy.char.isalnum

char.isalnum(a) [source]

Returns true for each element if all characters in the string are alphanumeric and there is at least one character, false otherwise.

Calls str.isalnum element-wise.

For 8-bit strings, this method is locale-dependent.

Parameters

aarray_like of str or unicode

Returns

outndarray

Output array of str or unicode, depending on input type

See also

str.isalnum