diff --git a/content/search-github/github-code-search/understanding-github-code-search-syntax.md b/content/search-github/github-code-search/understanding-github-code-search-syntax.md
index f7365ecdbe1f..615895e2f985 100644
--- a/content/search-github/github-code-search/understanding-github-code-search-syntax.md
+++ b/content/search-github/github-code-search/understanding-github-code-search-syntax.md
@@ -317,4 +317,4 @@ If code search guesses wrong, you can always get the search you wanted by using
 
 ## Case sensitivity
 
-By default, code search is case-insensitive. Searching for `True` will include results for _uppercase_ `TRUE` and _lowercase_ `true`. You can do case-sensitive searches by using a regular expression with case insensitivity turned off, for example `(?-i)True`.
+By default, code search is case-insensitive. Searching for `True` will include results for _uppercase_ `TRUE` and _lowercase_ `true`. You can do case-sensitive searches by using a regular expression with case insensitivity turned off, for example `/(?-i)True/`.