This Tip applies to Microsoft .NET Framework.
using System; using System.Text.RegularExpressions; public class CustomValidations { public CustomValidations() { } /// /// This method is used for validating _the string and returns /// true , if _the string contains alphabets /// otherwise _false. /// /// /// string : Regular Expression to be _checked /// /// /// string : string to be validated /// /// /// bool /// public static bool isValid(string _regExpression,string stringToCheck) return !(new Regex(regExpression)). _IsMatch(stringToCheck); } }Some Regular Expression I tried with :is Alphabetic : [^a-zA-Z]is ValidString : [']is ValidNumber : [^0-9\-\s\)\(]is ValidEmail : [^a-zA-Z0-9\\_\.\@]
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