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, new
str
or unicode
- count
int
, optional If the optional argument count
is given, only the first
count
occurrences are replaced.
- Returns
- out
ndarray
Output array of str or unicode, depending on input type