reduce test case.

build.zig.zon

@@ -3,8 +3,8 @@
     .version = "0.1.0",
     .dependencies = .{
         .pcre = .{
-            .url = "https://github.com/kivikakk/pcre-8.45/archive/812524706afd3a333c1fb31100e046f167740ac3.tar.gz",
-            .hash = "1220ac1f2dc0def06527baacecdacf3daae723bf0b439356ee5db6868ca255412b59",
+            .url = "https://github.com/kivikakk/pcre-8.45/archive/6b7cf03e4896c240c4baba2d6497e4be3ee1e22c.tar.gz",
+            .hash = "12203da4b45a5553c5a5f444b58378562cb4bea00e896426d82bd3164bfce811c5ab",
         },
     },
     .minimum_zig_version = "0.12.0",

src/main.zig

@@ -258,10 +258,11 @@ test "missing capture group at end of capture list" {
 }
 
 test "what" {
-    const regex = try Regex.compile("(?:(\\\\.|[^|\r\n])*)", .{ .Utf8 = true });
+    const regex = try Regex.compile("(?:ab|.)*", .{});
     defer regex.deinit();
+
     const line =
-        " the void type can only have a single value (which is also voida) and " ++
-        " indicates the absence of a value. Functions that do not ret |\n";
-    try testing.expect((try regex.matches(line, .{ .Anchored = true })) != null);
+        "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" ++
+        "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
+    try testing.expect((try regex.matches(line, .{})) != null);
 }