diff options
| -rw-r--r-- | mrblib/string.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mrblib/string.rb b/mrblib/string.rb index 49f87be8b..53e7c10c0 100644 --- a/mrblib/string.rb +++ b/mrblib/string.rb @@ -137,6 +137,9 @@ class String ## # ISO 15.2.10.5.5 def =~(re) + if re.is_a? String + raise TypeError, "type mismatch: String given" + end re =~ self end |