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benrudolph

isAlphaNumeric

Published in: ASP

URL: http://reusablecode.blogspot.com/2008/07/isalphanumeric.html

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<%
    ' Copyright (c) 2008, www.thecanonman.com; some rights reserved.
    '
    ' This work is licensed under the Creative Commons Attribution License. To view
    ' a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or
    ' send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California
    ' 94305, USA.
 
    ' Checks if a string contains only alphanumeric characters.
    function isAlphaNumeric(someString)
        dim regEx
 
        set regEx = new RegExp
 
        with regEx        
            .Global = true
            .IgnoreCase = true
            .Pattern = "[\w\s.]"
        end with
 
        if regEx.test(someString) then
            isAlphaNumeric = true
        else
            isAlphaNumeric = false
        end if
 
        set regEx = nothing
    end function
%>

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