RUBY-220

* Use \A instead of ^ for regex in case statement.

Author: stamhankar999

lib/cassandra/cluster/schema/cql_type_parser.rb

@@ -72,7 +72,7 @@ def lookup_type(node, types)
             Cassandra::Types.tuple(*node.children.map { |t| lookup_type(t, types)})
           when 'empty'             then
             Cassandra::Types.custom('org.apache.cassandra.db.marshal.EmptyType')
-          when /^'/ then
+          when /\A'/ then
             # Custom type.
             Cassandra::Types.custom(node.name[1..-2])
           else