# numpy.char.find

char.find(a, sub, start=0, end=None)

  For each element, return the lowest index in the string where substring sub is found.

  Calls `str.find` element-wise.

  For each element, return the lowest index in the string where substring sub is found, such that sub is contained in the range [start, end].

  Parameters
    a array_like of str or unicode
    sub str or unicode
    start, end int, optional

      Optional arguments start and end are interpreted as in slice notation.

  Returns
    out ndarray or int

      Output array of ints. Returns -1 if sub is not found.

  See also

  `str.find`

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