removing special codes using asp and RegExp

Question

Hi im just wondering if anyone knows how to remove special codes and spaces from a string in asp classic ?

thanks

Answer 1

don't know asp but just pass in a replace for everything that is not [^0-9a-fA-F]

Answer 2

You can easily remove a character from a string using the REPLACE function http://devguru.com/technologies/vbscript/13958.asp

You can implement Regular Expression to search the strings with the REGEXP OBJECT http://www.devguru.com/technologies/vbscript/14108.asp

Answer 3

@Jay: If you don't want to go the regular expression route, this could work for you:

<%
Option Explicit

Function alphanum(ByVal sText)
    Dim sChr, i

    If NOT IsNumeric(sText) Then
        For i = 1 To Len(sText)
            sChr = Mid(sText, i, 1)

            If IsNumeric(sChr) Then
                alphanum = alphanum & sChr
            Else
                If sChr = " " OR (Asc(LCase(sChr)) <= 122 AND Asc(LCase(sChr)) >= 97) Then
                    alphanum = alphanum & sChr
                End If
            End If
        Next
    Else
        alphanum = sText
    End If
End Function


Dim sInput

sInput = alphanum("$%^ (O_oh)")
sInput = Replace(sInput, " ", "") 

Response.Write sInput
%>