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POHow to get data from string using Javascript Regex
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11998414
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2012-08-17T00:47:23.933
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<p>I can't post the exact data i'm trying to extract but here's a basic scenario with the same outcome. I'm grabbing the body of a page and trying to extract a bit.ly link from it. So let's say for example, this is the chunk of data where i'm trying to grab the link from.</p> <p>String:</p> <pre><code><a href="/l.php?u=http%3A%2F%2Fbit.ly%2FPq8AkS&amp;h=aAQFZxdL0&amp;s=1" target="_blank" rel="nofollow nofollow" onmouseover="LinkshimAsyncLink.swap(this, &quot;http:\\/\\/bit.ly\\/Pq8AkS&quot;);" onclick="LinkshimAsyncLink.referrer_log(this, &quot;http:\\/\\/bit.ly\\/Pq8AkS&quot;, &quot;http:\\/\\/www.facebook.com\\/si\\/ajax\\/l\\/render_linkshim_log\\/?u=http\\u00253A\\u00252F\\u00252Fbit.ly\\u00252FPq8AkS&amp;h=aAQFZxdL0&amp;s=1&quot;);">http://bit.ly/Pq8AkS</a></div><div class="shareUnit"><div class="-cx-PRIVATE-fbTimelineExternalShareUnit__wrapper"><div><div class="-cx-PRIVATE-fbTimelineExternalShareUnit__root -cx-PRIVATE-fbTimelineExternalShareUnit__hasImage"><a class="-cx-PRIVATE-fbTimelineExternalShareUnit__video -cx-PRIVATE-fbTimelineExternalShareUnit__image -cx-PRIVATE-fbTimelineExternalShareUnit__content" ajaxify="/ajax/flash/expand_inline.php?target_div=uikk85_59&amp;share_id=271663136271285&amp;max_width=403&amp;max_height=403&amp;context=timelineSingle" rel="async" href="#" onclick="CSS.addClass(this, &quot;-cx-PRIVATE-fbTimelineExternalShareUnit__loading&quot;);CSS.removeClass(this, &quot;-cx-PRIVATE-fbTimelineExternalShareUnit__video&quot;);"><i class="-cx-PRIVATE-fbTimelineExternalShareUnit__play"></i><img class="img" src="http://external.ak.fbcdn.net/safe_image.php?d=AQDoyY7_wjAyUtX2&amp;w=155&amp;h=114&amp;url=http%3A%2F%2Fi1.ytimg.com%2Fvi%2FDre21lBu2zU%2Fmqdefault.jpg" alt="" /></a> </code></pre> <p>Now, I can get what i'm looking for with the following code but the link isn't always going to be exactly 6 characters long. So this causes an issue...</p> <pre><code>Body = document.getElementsByTagName("body")[0].innerHTML; regex = /2Fbit.ly%2F(.{6})&amp;h/g; Matches = regex.exec(Body); </code></pre> <p>Here's what I was orginally trying but the problem I have is that it grabs too much data. It's going all the way to the last <code>"&amp;h"</code> in the string above instead of stopping at the first one it hits. </p> <pre><code>Body = document.getElementsByTagName("body")[0].innerHTML; regex = /2Fbit.ly%2F(.*)&amp;h/g; Matches = regex.exec(Body); </code></pre> <p>So basically the main part of the string i'm trying to focus on is <code>"%2Fbit.ly%2FPq8AkS&amp;h"</code> so that I can get the "Pq8AkS" out of it. When I use the <code>(.*)</code> it's grabbing everything between <code>"%2F"</code> and the very last <code>"&amp;h"</code> in the large string above.</p>
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<javascript><regex><wildcard><scrape>
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How to get data from string using Javascript Regex
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