- char.replace(a, old, new, count=None)#
For each element in a, return a copy of the string with all occurrences of substring old replaced by new.
Output array of str or unicode, depending on input type
>>> a = np.array(["That is a mango", "Monkeys eat mangos"]) >>> np.char.replace(a, 'mango', 'banana') array(['That is a banana', 'Monkeys eat bananas'], dtype='<U19')
>>> a = np.array(["The dish is fresh", "This is it"]) >>> np.char.replace(a, 'is', 'was') array(['The dwash was fresh', 'Thwas was it'], dtype='<U19')