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added regex to handle case when user might select something improper
<source lang=JavaScript>
javascript: (function () {
// first we get the selection; or do it the Microsoft way
var t = window.getSelection ? window.getSelection().toString() : document.selection.createRange().text;
// create a Regular Expression to test the validity of our input var re = /97(?:8|9)([ -])\d{1,5}\1\d{1,7}\1\d{1,6}\1\d$/; var OK = re.exec(t); if (!OK) { // Notify the user if their selection doesn't look right alert(t + " isn't a valid ISBN\n Please just select a 10 or 13 digit ISBN\ndashes and spaces are OK"); } else { // hand off to MLVC search window.location = 'http://newburyport.mvlc.org/eg/opac/results?contains=contains;_special=1;qtype=identifier%7Cisbn;locg=1;pane=numeric;query=' + t; }
})()
</source>
{{Messagebox|type=success|text=Note: for the bookmarklet to work, it all has to be on one line. The code above is presented on several lines for readability.}}
Want this bookmarklet? Drag this link to your browser bookmark bar: <html><a href="javascript: (function(){var t=window.getSelection?window.getSelection().toString():document.selection.createRange().text;var re=/97(?:8|9)([ -])\d{1,5}\1\d{1,7}\1\d{1,6}\1\d$/;var OK=re.exec(t);if(!OK){alert(t+" isn't a valid ISBN\n Please just select a 10 or 13 digit ISBN\ndashes and spaces are OK")}else{window.location='"http://newburyport.mvlc.org/eg/opac/results?contains=contains;_special=1;qtype=identifier%7Cisbn;locg=1;pane=numeric;query='"+t;}})()">Search MLVC</a></html>
== Try it ==
Select ONLY the numeric portion of an ISBN (dashes and spaces are OK)
* Little Rabbit Foo Foo is ISBN 0671709682
* Free Culture is ISBN 1594200068
