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