diff --git a/core/snippets/snippets_insert.py b/core/snippets/snippets_insert.py
index 343b45327f..8d23726891 100644
--- a/core/snippets/snippets_insert.py
+++ b/core/snippets/snippets_insert.py
@@ -72,6 +72,7 @@ def compute_snippet_body_with_substitutions(
     body = snippet.body
     if substitutions:
         for k, v in substitutions.items():
+            v = v.replace("$", r"\$")
             reg = re.compile(rf"\${k}|\$\{{{k}\}}")
             if not reg.search(body):
                 raise ValueError(
diff --git a/core/snippets/snippets_insert_raw_text.py b/core/snippets/snippets_insert_raw_text.py
index b51484cf8a..b8dff28ba9 100644
--- a/core/snippets/snippets_insert_raw_text.py
+++ b/core/snippets/snippets_insert_raw_text.py
@@ -164,7 +164,7 @@ def format_tabs(text: str) -> str:
     spaces_per_tab: int = settings.get("user.snippet_raw_text_spaces_per_tab")
     if spaces_per_tab < 0:
         return text
-    return re.sub(r"\t", " " * spaces_per_tab, text)
+    return text.replace("\t", " " * spaces_per_tab)
 
 
 def parse_snippet(body: str):