I'm in the process of converting a winforms app to webforms, and one of the features they had implemented was the ability to pick a local/network folder from a directory picker, and I'm struggling with a way to do this in asp.net. I've found several ways to browse through directories and upload a file, but all I'm really needing is the path.
Only (older versions of) IE ever had the ability to pass a path during upload. The passing of a user's path to a particular file has been deemed a security concern, and as such no modern browsers offer
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Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern: