NumPy
ufunc
numpy.ctypeslib
numpy.fft
numpy.linalg
numpy.matlib
numpy.random
numpy.testing
numpy.testing.overrides
numpy.typing
char.chararray.index
method
Like find, but raises ValueError when the substring is not found.
find
See also
char.index
previous
numpy.char.chararray.getfield
next
numpy.char.chararray.isalnum