Wednesday, January 21, 2015

sql check parameter for null values

Use a statement like
(isnull(@param,'') ='' or @param=param)
at

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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-...