added extract functions

src/inline_markdown.py

@@ -1,3 +1,5 @@
+import re
+
 from textnode import TextNode
 
 
@@ -21,3 +23,11 @@ def split_nodes_delimiter(old_nodes, delimiter, text_type):
         final_node_list.extend(node_list)
 
     return final_node_list
+
+
+def extract_markdown_images(text):
+    return re.findall(r"!\[(.*?)\]\((.*?)\)", text)
+
+
+def extract_markdown_links(text):
+    return re.findall(r"\[(.*?)\]\((.*?)\)", text)

src/test_inline_markdown.py

@@ -1,14 +1,9 @@
 import unittest
 
-from inline_markdown import split_nodes_delimiter
+from inline_markdown import (extract_markdown_images, extract_markdown_links,
-
+                             split_nodes_delimiter)
-from textnode import (
+from textnode import (TextNode, text_type_bold, text_type_code,
-    TextNode,
+                      text_type_italic, text_type_text)
-    text_type_bold,
-    text_type_code,
-    text_type_italic,
-    text_type_text,
-)
 
 
 class TestInlineMarkdown(unittest.TestCase):
@@ -79,5 +74,25 @@ class TestInlineMarkdown(unittest.TestCase):
         )
 
 
+def test_extract_markdown_images(self):
+    matches = extract_markdown_images(
+        "This is text with an ![image](https://i.imgur.com/zjjcJKZ.png)"
+    )
+    self.assertListEqual([("image", "https://i.imgur.com/zjjcJKZ.png")], matches)
+
+
+def test_extract_markdown_links(self):
+    matches = extract_markdown_links(
+        "This is text with a [link](https://boot.dev) and [another link](https://blog.boot.dev)"
+    )
+    self.assertListEqual(
+        [
+            ("link", "https://boot.dev"),
+            ("another link", "https://blog.boot.dev"),
+        ],
+        matches,
+    )
+
+
 if __name__ == "__main__":
     unittest.main()