Regular Expression to accept Alphanumeric (Alphabets and Numbers) and Special Characters in TextBox in ASP.Net

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1. Using Regular Expression Validator

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Valid characters: Alphabets, Numbers and '%*#' characters.

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2. Using Regular Expression and JavaScript

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*Valid characters: Alphabets, Numbers and '%*#' characters.

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3. Using Regular Expression and jQuery

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*Valid characters: Alphabets, Numbers and '%*#' characters.