# numpy.char.isalnum

char.isalnum(a)

  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
    a array_like of str or unicode
  Returns
    out ndarray

      Output array of str or unicode, depending on input type

  See also

  `str.isalnum`

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