Tuesday, July 5, 2016

Regular Expressions

There are a couple of tools which are very helpful in building regular expressions quickly

http://www.ultrapico.com/expresso.htm
http://www.regular-expressions.info/reference.html
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Regex Email validation in c# dot net core

 Use this regex /^_?[a-zA-Z0-9]([a-zA-Z0-9]*[._+-])*[a-zA-Z0-9_]+@(?!-)[A-Za-z0-9-]{1,63}(?<!-)(\.(?!-)[A-Za-z0-9-]{1,63}(?<!-))*\.[A-...