This method is used to confirm that the user entered not malicious information

Reference PetShop 4.0
<summary>
This method is used to confirm that the user entered not malicious information
</summary>
<param name= "text" > user input information </param>
<param name= "maxLength" > Maximum length of input </param>
<returns> the input information after processing </returns>
public static string Inputtext (string text, int maxLength) {
Text = text. Trim ();
if (string. IsNullOrEmpty (text)
return string. Empty;
if (text. Length > MaxLength)
Text = text. Substring (0, maxLength);
Replace the illegal and offensive symbols in your Web page to prevent SQL injection! Return to normal data
Text = Regex.Replace (text, "[\\s]{2,}", ""); 2 or more spaces
Text = Regex.Replace (text, "<[b| b][r| r]/*>) +| (<[p| P] (. | \\n) *?>) "," \ n "); <br> HTML line Feed
Text = Regex.Replace (text, "\\s*&[n| n][b| b][s| s][p| p];\\s*) + "," "); HTML spaces
Text = Regex.Replace (text, <. | \\n) *?> ", String. Empty); Any other label
Text = text. Replace ("'", "" ");//single quotation mark
return text;
}