numpy.char.compare_chararrays

char.compare_chararrays(a1, a2, cmp, rstrip)

Performs element-wise comparison of two string arrays using the comparison operator specified by cmp.

Parameters:

a1, a2array_like

Arrays to be compared.

cmp{“<”, “<=”, “==”, “>=”, “>”, “!=”}

Type of comparison.

rstripbool

If True, the spaces at the end of strings are removed before the comparison.

Returns:

outndarray

The output array of type numpy.bool with the same shape as a1 and a2.

Raises:

ValueError

If cmp is not valid.

TypeError

If at least one of a1 or a2 is a non-string array

Examples

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>>> import numpy as np
>>> a = np.array(["a", "b", "cde"])
>>> b = np.array(["a", "a", "dec"])
>>> np.char.compare_chararrays(a, b, ">", True)
array([False,  True, False])

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