Email Address Validation Using Regular Expression

Mykola Dobrochynskyy

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17 Aug 2008CPOL7 min read

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This article discusses the topic of validation of an Email address with regular expressions, and finally presents a C# working example project.

EmailValidator.zip
- EmailValidator
  - EmailTest
    - bin
      - Debug
        
        EmailTest.dll
        
        EmailTest.pdb
        
        EmailValidator.exe
        
        EmailValidator.pdb
      - Release
    - EmailsUnitTest.cs
    - EmailTest.csproj
    - obj
      - Debug
        
        DesignTimeResolveAssemblyReferencesInput.cache
        
        EmailTest.csproj.FileListAbsolute.txt
        
        EmailTest.csprojResolveAssemblyReference.cache
        
        EmailTest.dll
        
        EmailTest.pdb
        
        TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
        
        TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
        
        TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
        
        TempPE
    - Properties
      - AssemblyInfo.cs
  - EmailValidator.sln
  - EmailValidator.v12.suo
  - EmailValidator
    - bin
      - Debug
        
        EmailValidator.exe
        
        EmailValidator.pdb
        
        EmailValidator.vshost.exe
        
        EmailValidator.vshost.exe.manifest
      - Release
    - EmailValidator.cs
    - EmailValidator.csproj
    - EmailValidator.gpState
    - obj
      - Debug
        
        DesignTimeResolveAssemblyReferencesInput.cache
        
        EmailValidator.csproj.FileListAbsolute.txt
        
        EmailValidator.csprojResolveAssemblyReference.cache
        
        EmailValidator.exe
        
        EmailValidator.pdb
        
        TempPE
    - Properties
      - AssemblyInfo.cs
    - TestEmail.cs
    - TestResults
      - Deploy_mdobrochynskyy 2015-05-23 13_43_41
        
        In
        
        SKS-MB-W7-MDO
        
        Out
      - Deploy_mdobrochynskyy 2015-05-23 13_44_23
        
        In
        
        SKS-MB-W7-MDO
        
        Out
  - test.bat
  - TestResults
    - Deploy_mdobrochynskyy 2015-05-23 13_48_11
      - In
        
        SKS-MB-W7-MDO
      - Out
EmailValidator-noexe.zip
- EmailTest.pdb
- EmailValidator.pdb
- EmailsUnitTest.cs
- EmailTest.csproj
- DesignTimeResolveAssemblyReferencesInput.cache
- EmailTest.csproj.FileListAbsolute.txt
- EmailTest.csprojResolveAssemblyReference.cache
- EmailTest.pdb
- TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
- TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
- TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
- AssemblyInfo.cs
- EmailValidator.sln
- EmailValidator.v12.suo
- EmailValidator.pdb
- EmailValidator.vshost.exe.manifest
- EmailValidator.cs
- EmailValidator.csproj
- EmailValidator.gpState
- DesignTimeResolveAssemblyReferencesInput.cache
- EmailValidator.csproj.FileListAbsolute.txt
- EmailValidator.csprojResolveAssemblyReference.cache
- EmailValidator.pdb
- AssemblyInfo.cs
- TestEmail.cs
- test.bat

D:\Eigene Dateien\My Files\My Articles\DotNetPro\Serie-11 MicroDSLs in C#\Artikel_1\CodeExample\EmailValidator\EmailValidator\bin\Debug\EmailValidator.exe
D:\Eigene Dateien\My Files\My Articles\DotNetPro\Serie-11 MicroDSLs in C#\Artikel_1\CodeExample\EmailValidator\EmailValidator\bin\Debug\EmailValidator.pdb
D:\Eigene Dateien\My Files\My Articles\DotNetPro\Serie-11 MicroDSLs in C#\Artikel_1\CodeExample\EmailValidator\EmailValidator\obj\Debug\EmailValidator.csprojResolveAssemblyReference.cache
D:\Eigene Dateien\My Files\My Articles\DotNetPro\Serie-11 MicroDSLs in C#\Artikel_1\CodeExample\EmailValidator\EmailValidator\obj\Debug\EmailValidator.exe
D:\Eigene Dateien\My Files\My Articles\DotNetPro\Serie-11 MicroDSLs in C#\Artikel_1\CodeExample\EmailValidator\EmailValidator\obj\Debug\EmailValidator.pdb

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Mykola Dobrochynskyy

Architect

Germany

I'm Senior Architect. My main areas of activity are software architecture, model-driven software development, generative programming, artificial intelligence as well as mobile, cloud and service-oriented software architectures.

Email Address Validation Using Regular Expression

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