diff --git a/railties/lib/commands/dbconsole.rb b/railties/lib/commands/dbconsole.rb
index b4160494825d87a3751419e6d01a0369e1d3ad93..d35e6b3ef90894836cdf0b048307cdb56070cba7 100644
--- a/railties/lib/commands/dbconsole.rb
+++ b/railties/lib/commands/dbconsole.rb
@@ -45,7 +45,7 @@ def find_cmd(*commands)
 end
 
 case config["adapter"]
-when /^mysql/
+when /mysql/
   args = {
     'host'      => '--host',
     'port'      => '--port',
diff --git a/railties/lib/tasks/databases.rake b/railties/lib/tasks/databases.rake
index 1cf24343a678a500b92a852b9e17079d98c5fa07..fd10419b38c17a4f086b009b26d126e68a7934e4 100644
--- a/railties/lib/tasks/databases.rake
+++ b/railties/lib/tasks/databases.rake
@@ -53,7 +53,7 @@ namespace :db do
       end
     rescue
       case config['adapter']
-      when /^mysql/
+      when /mysql/
         @charset   = ENV['CHARSET']   || 'utf8'
         @collation = ENV['COLLATION'] || 'utf8_unicode_ci'
         begin
@@ -159,7 +159,7 @@ namespace :db do
   task :charset => :environment do
     config = ActiveRecord::Base.configurations[RAILS_ENV || 'development']
     case config['adapter']
-    when /^mysql/
+    when /mysql/
       ActiveRecord::Base.establish_connection(config)
       puts ActiveRecord::Base.connection.charset
     when 'postgresql'
@@ -174,7 +174,7 @@ namespace :db do
   task :collation => :environment do
     config = ActiveRecord::Base.configurations[RAILS_ENV || 'development']
     case config['adapter']
-    when /^mysql/
+    when /mysql/
       ActiveRecord::Base.establish_connection(config)
       puts ActiveRecord::Base.connection.collation
     else
@@ -274,7 +274,7 @@ namespace :db do
     task :dump => :environment do
       abcs = ActiveRecord::Base.configurations
       case abcs[RAILS_ENV]["adapter"]
-      when /^mysql/, "oci", "oracle"
+      when /mysql/, "oci", "oracle"
         ActiveRecord::Base.establish_connection(abcs[RAILS_ENV])
         File.open("#{RAILS_ROOT}/db/#{RAILS_ENV}_structure.sql", "w+") { |f| f << ActiveRecord::Base.connection.structure_dump }
       when "postgresql"
@@ -320,7 +320,7 @@ namespace :db do
     task :clone_structure => [ "db:structure:dump", "db:test:purge" ] do
       abcs = ActiveRecord::Base.configurations
       case abcs["test"]["adapter"]
-      when /^mysql/
+      when /mysql/
         ActiveRecord::Base.establish_connection(:test)
         ActiveRecord::Base.connection.execute('SET foreign_key_checks = 0')
         IO.readlines("#{RAILS_ROOT}/db/#{RAILS_ENV}_structure.sql").join.split("\n\n").each do |table|
@@ -354,7 +354,7 @@ namespace :db do
     task :purge => :environment do
       abcs = ActiveRecord::Base.configurations
       case abcs["test"]["adapter"]
-      when /^mysql/
+      when /mysql/
         ActiveRecord::Base.establish_connection(:test)
         ActiveRecord::Base.connection.recreate_database(abcs["test"]["database"], abcs["test"])
       when "postgresql"
@@ -408,7 +408,7 @@ end
 def drop_database(config)
   begin
     case config['adapter']
-    when /^mysql/
+    when /mysql/
       ActiveRecord::Base.establish_connection(config)
       ActiveRecord::Base.connection.drop_database config['database']
     when /^sqlite/