replace

string  replace(string str, string old, string new)

string  replace(string str, string old, string new, int count)

Returns a copy of the string with all occurrences of the string old replaced with the string new.

count

If specified, only the first count occurrences are replaced.

Examples

examples

string str = "abcdef abcdef abcdef";

// Returns "abcghi abcghi abcghi"
string new_str = replace(str, "def", "ghi");

// Replaces up to 2 occurrences of the string "def".
// Returns "abcghi abcghi abcdef"
new_str = replace(str, "def", "ghi", 2);