C # common verification,

C # common verification,

Using System; using System. collections. generic; using System. linq; using System. text; using System. web; using System. web. UI. htmlControls; using System. web. UI; using System. text. regularExpressions; namespace Common {public class Validate {private static readonly Regex RegPhone = new Regex ("(^ (\ d {11 }) $ | ^ (\ d {7,8}) | (\ d {4} | \ d {3})-(\ d {7,8 }) | (\ d {4} | \ d {3})-(\ d {7, 8 }) -(\ d {4} | \ d {3} | \ d {2} | \ d {1}) | (\ d {7, 8 })-(\ D {4} | \ d {3} | \ d {2} | \ d {1}) $ )"); // phone number and phone verification private static Regex RegEmail = new Regex ("^ \ s * ([A-Za-z0-9 _-] + (\\. \ w +) * @ ([\ w-] + \\.) + \ w {2, 3}) \ s * $ "); // new Regex ("^ [\ w-] + @ [\ w-] + \\. (com | net | org | edu | mil | TV | biz | info) $ "); // a string of w English letters or numbers, like the [a-zA-Z0-9] syntax, private static Regex RegNum = new Regex ("^ [0-9] + $"); // must be a numeric Regular Expression (decimal or integer) private static Regex regex = new Regex (@ "/^ [0-9] + \.? [0-9] {0, 3} $ /"); /// <summary> // ID card positive expression // </summary> private static readonly Regex RegCardId = new Regex ("(^ \ d {15} $) | (^ \ d {17} ([0-9] | X | x) $ )"); # region determine whether the user input is legal // <summary> // determine whether the user input is legal // </summary> /// <param name = "text"> User input string </param> /// <param name = "maxLength"> maximum string Length </param> /// <returns> </returns> public static string InputText (string text, int maxLength) {if (string. isNullOrEm Pty (text) return string. Empty; text = text. Trim (); if (maxLength! = 0) if (text. length> maxLength) text = text. substring (0, maxLength); text = Regex. replace (text, "[\ s] {2,}", ""); text = Regex. replace (text, "(<[B | B] [r | R]/*>) + | (<[p | P] (. | \ n) *?>) "," \ N "); text = Regex. replace (text, "(\ s * & [n | N] [B | B] [s | S] [p | P]; \ s *) + ", ""); // text = Regex. replace (text, "<(. | \ n) *?> ", String. empty); // mask the label text = text. replace ("'", "'' "); return text ;} # endregion # region verify the phone number // check the phone number and phone number /// <summary> // check the phone number and phone number /// </summary> /// <param name = "inputData"> phone number or mobile phone number </param> // <returns> matching result </returns> public static bool IsPhone (string inputData) {Match m = RegPhone. match (inputData); return m. success ;} # endregion # Check whether the region parameter is a Chinese character /// <summary> /// check whether the parameter is a Chinese character /// </summary> /// <param name =" input "> input parameter </param> /// <returns> </returns> public static bool IsChinese (string input) {Regex regex = new Regex (@ "[\ u4e00-\ u9fa5]", RegexOptions. ignoreCase); return regex. isMatch (input );} # endregion # region email address // <summary> // verify the email address /// </summary> /// <param name = "inputData"> input string </ param> // <returns> Verification Result </returns> public static bool IsEmail (string inputData) {Match m = RegEmail. match (inputData); return m. success ;} # endregion # Whether region is a number /// <summary> /// whether it is a number /// </summary> /// <param name = "inputData"> input string </param> // <returns> whether it is a number </returns> public static bool IsNum (string inputData) {if (string. isNullOrEmpty (inputData) {return false;} Match m = RegNum. match (inputData); return m. success ;} /// <summary> /// judge whether it is an integer or a decimal number. /// </summary> /// <param name = "str"> input string </param>/ // <returns> whether it is a number </returns> public static bool IsNumAll (string str) {if (string. isNullOrEmpty (str) {return false;} Match m = regex. match (str); return m. success ;} # endregion # Whether region is an ID card // <summary> // whether it is an ID card // </summary> /// <param name = "inputData"> input string </param> /// <returns> ID card </returns> public static bool IsCardId (string inputData) {Match m = RegCardId. match (inputData); return m. success ;} # endregion // <summary> // determine whether the string is a pure number. // </summary> // <param name = "message"> source string </param> /// <returns> </returns> public static bool IsNumberic (string message) //, out int result {System. text. regularExpressions. regex rex = new System. text. regularExpressions. regex (@ "^ \ d + $"); var result =-1; if (rex. isMatch (message) {result = int. parse (message); return true;} else return false ;}}}