diff --git a/strings/replace.py b/strings/replace.py
new file mode 100644
index 000000000..a22d70e76
--- /dev/null
+++ b/strings/replace.py
@@ -0,0 +1,21 @@
+def string_replace(text: str, input_string: str, replace_with_string: str, occurrence: int) -> str:
+    """
+    The replace() method replaces a specified string with another specified string.
+    The occurence parameter can be skipped in order to consider all text.
+    Note: input and replace_with strings are case-sensitive.
+    >>> text = "One Two Two Three Four Five"
+    >>> string_val = string_replace(text, "Two", "Seven", 1)
+    >>> print(string_val)
+    One Seven Two Three Four Five
+
+    >>> text = "In the morning, the cat is running behind the mouse."
+    >>> string_val = string_replace(text, "the", "a", 10)
+    >>> print(string_val)
+    In a morning, a cat is running behind a mouse.
+    """
+    return text.replace(input_string, replace_with_string, occurrence)
+
+
+if __name__ == "__main__":
+    from doctest import testmod
+    testmod()