strrep

Purpose

String search and replace.

str = strrep('str1','old_str','new_str')

str = strrep('str1','old_str','new_str') replaces all occurrences of a substring with another string, where

str1 is the string in which to search and replace.

old_str is the substring to replace within str1.

new_str is the string that replaces old_str.
The function returns the modified string str.

s1 = 'This is a good example.';
str = strrep(s1,'good','great')
          
str =
This is a great example.