diff --git a/.helper-scripts/accessed-recently.sh b/.helper-scripts/accessed-recently.sh
index 3b624839..c6234eba 100644
--- a/.helper-scripts/accessed-recently.sh
+++ b/.helper-scripts/accessed-recently.sh
@@ -58,7 +58,7 @@ _clean_up_accessed_files() {
     # for sorted display.
     local count=1
     for file in "${files[@]}"; do
-        mv "$file" "$ACCESSED_RECENTLY_DIR/$(printf '%02d' $count) $(basename "$file" | sed 's/^\([0-9]\{2\} \)*//')"
+        mv "$file" "$ACCESSED_RECENTLY_DIR/$(printf '%02d' $count) $(basename "$file" | sed 's|^\([0-9]\{2\} \)*||')"
         ((count++))
     done
 }
diff --git a/Git/Open the repository website b/Git/Open the repository website
index cbba420e..3fb78ece 100755
--- a/Git/Open the repository website	
+++ b/Git/Open the repository website	
@@ -41,13 +41,13 @@ _convert_git_to_web_url() {
         web_url="${git_url%.git}"
     elif [[ "$git_url" =~ ^git@ ]]; then
         # SSH URL (e.g., git@github.com:user/repo.git)
-        web_url=$(sed -E 's/^git@([^:]+):/https:\/\/\1\//;s/\.git$//' <<<"$git_url")
+        web_url=$(sed -E "s|^git@([^:]+):|https:\/\/\1\/|;s|\.git$||" <<<"$git_url")
     elif [[ "$git_url" =~ ^git:// ]]; then
         # Git protocol URL (e.g., git://github.com/user/repo.git)
-        web_url=$(sed -E 's/^git:\/\//https:\/\//;s/\.git$//' <<<"$git_url")
+        web_url=$(sed -E "s|^git:\/\/|https:\/\/|;s|\.git$||" <<<"$git_url")
     elif [[ "$git_url" =~ ^ssh:// ]]; then
         # SSH URL (e.g., ssh://git@github.com/user/repo.git)
-        web_url=$(sed -E 's/^ssh:\/\/git@([^/]+)\//https:\/\/\1\//;s/\.git$//' <<<"$git_url")
+        web_url=$(sed -E "s|^ssh:\/\/git@([^/]+)\/|https:\/\/\1\/|;s|\.git$||" <<<"$git_url")
     else
         return 1
     fi
diff --git a/Rename files/Remove brackets b/Rename files/Remove brackets
index ed5096f6..88842f1a 100755
--- a/Rename files/Remove brackets	
+++ b/Rename files/Remove brackets	
@@ -31,7 +31,7 @@ _main_task() {
 
     # Remove brackets.
     # shellcheck disable=SC2001
-    output_file=$(sed 's/ *([^)]*)//g' <<<"$filename")
+    output_file=$(sed "s| *([^)]*)||g" <<<"$filename")
 
     # Run the main process.
     _move_file "skip" "$input_file" "$dir/$output_file" || return 1