This module is used to perform vectorized string operations for arrays of dtype numpy.string_ or numpy.unicode_. All of them are based on the standard string functions in Python’s built-in library.
String Information –
numpy.count() : This function returns the number of occurrences of a substring in the given string.
numpy.rfind() : This function returns the highest index of the substring if found in given string. If not found then it returns -1.
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