LibRegex: Give the bytecode a chance to run when there's no input

Fixes #4246 Also adds a test case.
Author: https://github.com/alimpfard Commit: 8cada744df Pull-request: https://github.com/SerenityOS/serenity/pull/4249 Issue: https://github.com/SerenityOS/serenity/issues/4246
2025-07-30 04:39:06 +00:00 · 2020-11-29 23:44:48 +03:30 · 2020-11-29 23:44:48 +03:30 · 8cada744df · 2024-07-19 01:09:59 +09:00
commit 8cada744df
parent ab2c646d5d
2 changed files with 29 additions and 0 deletions
--- a/Libraries/LibRegex/Tests/Regex.cpp
+++ b/Libraries/LibRegex/Tests/Regex.cpp
@ -535,6 +535,7 @@ TEST_CASE(ECMA262_match)
        { "bar.*(?<=foo)", "barbar", false },
        { "bar.*(?<!foo)", "barbar", true },
        { "((...)X)+", "fooXbarXbazX", true },
+        { "(?:)", "", true },
    };

    for (auto& test : tests) {