# numpy.char.isdecimal

char.isdecimal(a)

  For each element, return True if there are only decimal characters in the element.

  Calls str.isdecimal element-wise.

  Decimal characters include digit characters, and all characters that can be used to form decimal-radix numbers, e.g. `U+0660, ARABIC-INDIC DIGIT ZERO`.

  Parameters:
    a array_like, unicode

      Input array.

  Returns:
    out ndarray, bool

      Array of booleans identical in shape to a.

  See also

  `str.isdecimal`

  Examples

      >>> np.char.isdecimal(['12345', '4.99', '123ABC', ''])
      array([ True, False, False, False])