diff options
| -rw-r--r-- | regexec.c | 5 | ||||
| -rw-r--r-- | test/ruby/test_regexp.rb | 3 |
2 files changed, 8 insertions, 0 deletions
@@ -3774,6 +3774,11 @@ match_at(regex_t* reg, const UChar* str, const UChar* end, DATA_ENSURE(0); p += addr; } + else if (s == end) { + /* At the end of the string, just match with it */ + DATA_ENSURE(0); + p += addr; + } else { STACK_PUSH_ALT(p + addr, s, sprev, pkeep); /* Push possible point. */ n = enclen(encode, s, end); diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb index 7fc8d914b7..a3c1508ff6 100644 --- a/test/ruby/test_regexp.rb +++ b/test/ruby/test_regexp.rb @@ -1525,6 +1525,9 @@ class TestRegexp < Test::Unit::TestCase assert_equal(0, /(?~(a)c)/ =~ "abb") assert_nil($1) + + assert_equal(0, /(?~(a))/ =~ "") + assert_nil($1) end def test_backref_overrun |