numpy.char.replace#

char.replace(a, old, new, count=None)[source]#

For each element in a, return a copy of the string with all occurrences of substring old replaced by new.

Calls str.replace element-wise.

Parameters:

aarray-like of str or unicode
old, newstr or unicode
countint, optional: If the optional argument count is given, only the first count occurrences are replaced.

Returns:

outndarray: Output array of str or unicode, depending on input type

See also

str.replace

Examples

>>> 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')