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url: fix $VAR mid-word partial matches

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Add `(?<!\w)` to prefixes so that $VAR cannot match mid-word.
This commit is contained in:
Ben Kircher
2026-02-09 09:54:09 +01:00
parent 02749cb1dc
commit 270ee5468f
1 changed files with 4 additions and 2 deletions
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6
src/config/url.zig
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@@ -75,7 +75,7 @@ const scheme_url_branch =
no_trailing_punctuation;
const rooted_or_relative_path_prefix =
\\(?:\.\.\/|\.\/|~\/|(?:[\w][\w\-.]*\/)*\$[A-Za-z_]\w*\/|\.[\w][\w\-.]*\/|(?<!\w)\/)
\\(?:\.\.\/|\.\/|~\/|(?:[\w][\w\-.]*\/)*(?<!\w)\$[A-Za-z_]\w*\/|\.[\w][\w\-.]*\/|(?<!\w)\/)
;
// Branch 2: Absolute paths and dot-relative paths (/, ./, ../).
@@ -97,7 +97,7 @@ const rooted_or_relative_path_branch =
// Branch 3: Bare relative paths such as src/config/url.zig.
const bare_relative_path_prefix =
\\(?<!\$\d*)[\w][\w\-.]*\/
\\(?<!\$\d*)(?<!\w)[\w][\w\-.]*\/
;
const bare_relative_path_branch =
@@ -459,6 +459,8 @@ test "url regex" {
"$10/bar.txt",
// comma should not let dot detection look past it
"foo/bar,baz.txt",
// $VAR should not match mid-word
"foo$BAR/baz.txt",
};
for (no_match_cases) |input| {
var result = re.search(input, .{});