diff options
Diffstat (limited to 'spec/ruby/language/regexp/grouping_spec.rb')
| -rw-r--r-- | spec/ruby/language/regexp/grouping_spec.rb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/spec/ruby/language/regexp/grouping_spec.rb b/spec/ruby/language/regexp/grouping_spec.rb index 8806d06746..2fecf2d2cb 100644 --- a/spec/ruby/language/regexp/grouping_spec.rb +++ b/spec/ruby/language/regexp/grouping_spec.rb @@ -20,4 +20,9 @@ describe "Regexps with grouping" do # Parsing precedence /(?:xdigit:)/.match("xdigit:").to_a.should == ["xdigit:"] end + + it "group names cannot start with digits or minus" do + -> { Regexp.new("(?<1a>a)") }.should raise_error(RegexpError) + -> { Regexp.new("(?<-a>a)") }.should raise_error(RegexpError) + end end |