diff --git a/bash.md b/bash.md
index 158b6a31f..0825fc323 100644
--- a/bash.md
+++ b/bash.md
@@ -424,7 +424,7 @@ if [[ "$A" == "$B" ]]
 
 ```bash
 # Regex
-if [[ "A" =~ "." ]]
+if [[ "A" =~ . ]]
 ```
 
 ```bash