hey there casey,
howya doing?
i went on a java course for two days, i come back and what's waiting for
me? about 16 thousand jsp-interest emails. it's amazing how many you
get, mostly repeats and "i'm out of the office" messages.
so, what's new in the town of wash?
maurice.
JSP Insider wrote:
>
> A nice email Javascript I have used in the past
> goes as follows
>
> function emailCheck (emailStr) {
> var emailPat=/^(.+)@(.+)$/
> var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
> var validChars="\[^\\s" + specialChars + "\]"
> var firstChars=validChars
> var quotedUser="(\"[^\"]*\")"
> var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
> var atom="(" + firstChars + validChars + "*" + ")"
> var word="(" + atom + "|" + quotedUser + ")"
> var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
> var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
>
> var matchArray=emailStr.match(emailPat)
> if (matchArray==null)
> {alert("E-mail address seems incorrect (check @ and .'s)")
> return false
> }
> var user=matchArray[1]
> var domain=matchArray[2]
>
> // See if "user" is valid
> if (user.match(userPat)==null) {
> // user is not valid
> alert("The username section of the e-mail address doesn't seem to be
> valid.")
> return false
> }
> /* if the e-mail address is at an IP address (as opposed to a symbolic
> host name) make sure the IP address is valid. */
> var IPArray=domain.match(ipDomainPat)
> if (IPArray!=null) {
> // this is an IP address
> for (var i=1;i<=4;i++) {
> if (IPArray[i]>255) {
> alert("Destination IP address is invalid!")
> return false
> }
> }
> return true
> }
>
> // Domain is symbolic name
> var domainArray=domain.match(domainPat)
> if (domainArray==null) {
> alert("The domain name doesn't seem to be valid.")
> return false
> }
>
> var atomPat=new RegExp(atom,"g")
> var domArr=domain.match(atomPat)
> var len=domArr.length
> if (domArr[domArr.length-1].length<2 ||
> domArr[domArr.length-1].length>3) {
> // the address must end in a two letter or three letter word.
> alert("The address must end in a three-letter domain, or two letter
> country.")
> return false
> }
>
> if (domArr[domArr.length-1].length==2 && len<3) {
> var errStr="This address ends in two characters, which is a country"
> errStr+=" code. Country codes must be preceded by "
> errStr+="a hostname and category (like com, co, pub, pu, etc.)"
> alert(errStr)
> return false
> }
>
> if (domArr[domArr.length-1].length==3 && len<2) {
> var errStr="This address is missing a hostname!"
> alert(errStr)
> return false
> }
> return true;
> }
>
> Hope this helps
>
> Casey Kochmer
> [EMAIL PROTECTED]
> www.jspinsider.com
>
> >From: "Jan D. Herzhoff" <[EMAIL PROTECTED]>
> >Reply-To: A mailing list about Java Server Pages specification and
> > reference <[EMAIL PROTECTED]>
> >To: [EMAIL PROTECTED]
> >Subject: check emailadress
> >Date: Wed, 20 Sep 2000 10:56:23 +0200
> >
> >Hi,.
> >
> >I am a newbie in JSP and I would like to create a form with an error
> >script.
> >If someone types an email adress without an "@" for example an error code
> >should appear.
> >
> >How can I do this or what else do I have to check?
> >
> >Thanks and best regards,
> >
> >J/~\n
> >
> >===========================================================================
> >To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> >JSP-INTEREST".
> >Some relevant FAQs on JSP/Servlets can be found at:
> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
>
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>
> ===========================================================================
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
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--
Maurice Coyle,
Sun Microsystems Ireland.
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Some relevant FAQs on JSP/Servlets can be found at:
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