Introduction - If you have any usage issues, please Google them yourself
Three VB.net control sample include a valid verify input control.
Packet : 556561validate.rar filelist
validate
validate\CardValidate
validate\CardValidate\AssemblyInfo.vb
validate\CardValidate\bin
validate\CardValidate\bin\CardValidate.dll
validate\CardValidate\bin\CardValidate.pdb
validate\CardValidate\CardValidate.sln
validate\CardValidate\CardValidate.suo
validate\CardValidate\CardValidate.vb
validate\CardValidate\CardValidate.vbproj
validate\CardValidate\CardValidate.vbproj.user
validate\CardValidate\obj
validate\CardValidate\obj\Debug
validate\CardValidateClient
validate\CardValidateClient\AssemblyInfo.vb
validate\CardValidateClient\bin
validate\CardValidateClient\bin\CardValidate.dll
validate\CardValidateClient\bin\CardValidate.pdb
validate\CardValidateClient\bin\CardValidateClient.exe
validate\CardValidateClient\bin\CardValidateClient.pdb
validate\CardValidateClient\bin\CardValidateControl.dll
validate\CardValidateClient\bin\CardValidateControl.pdb
validate\CardValidateClient\CardValidateClient.sln
validate\CardValidateClient\CardValidateClient.suo
validate\CardValidateClient\CardValidateClient.vbproj
validate\CardValidateClient\CardValidateClient.vbproj.user
validate\CardValidateClient\Form1.resx
validate\CardValidateClient\Form1.vb
validate\CardValidateClient\obj
validate\CardValidateClient\obj\Debug
validate\CardValidateControl
validate\CardValidateControl\AssemblyInfo.vb
validate\CardValidateControl\bin
validate\CardValidateControl\bin\CardValidate.dll
validate\CardValidateControl\bin\CardValidate.pdb
validate\CardValidateControl\bin\CardValidateControl.dll
validate\CardValidateControl\bin\CardValidateControl.pdb
validate\CardValidateControl\CardValidateControl.sln
validate\CardValidateControl\CardValidateControl.suo
validate\CardValidateControl\CardValidateControl.vbproj
validate\CardValidateControl\CardValidateControl.vbproj.user
validate\CardValidateControl\obj
validate\CardValidateControl\obj\Debug
validate\CardValidateControl\UserControl1.resx
validate\CardValidateControl\UserControl1.vb