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POJava: using regex to find URL turning them into html link. Also detect if link contain http://, If not, append it
 

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  1. POJava: using regex to find URL turning them into html link. Also detect if link contain http://, If not, append it
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    <p>I know this questions get ask a lot, and <code>Kelly Chan</code> did provide an answer that is work for me, however, there still minor problem that I hope the community can help me out. </p> <p>For example if a user type this:</p> <pre><code>Please visit www.google.com </code></pre> <p>Then I want to convert it into this</p> <pre><code>Please visit &lt;a href="http://www.google.com"&gt;www.google.com&lt;/a&gt; </code></pre> <p><strong>NOTE</strong>: that the original text only contain <code>www.google.com</code>, but I somehow detect that it need to have <code>http://</code> in front of it. so the link become <code>&lt;a href="http://www.google.com"&gt;www.google.com&lt;/a&gt;</code>. If the link is <code>http://www.google.com</code>, then I just need to wrap it around <code>&lt;a href&gt;</code>. </p> <p><strong>EDIT</strong>: <code>Kelly Chan</code> has revised her answer and it work. Below is the solution.</p> <pre><code> Pattern patt = Pattern.compile("(?i)\\b((?:https?://|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}/)(?:[^\\s()&lt;&gt;]+|\\(([^\\s()&lt;&gt;]+|(\\([^\\s()&lt;&gt;]+\\)))*\\))+(?:\\(([^\\s()&lt;&gt;]+|(\\([^\\s()&lt;&gt;]+\\)))*\\)|[^\\s`!()\\[\\]{};:\'\".,&lt;&gt;???“”‘’]))"); Matcher matcher = patt.matcher(this.mytext); if(matcher.find()){ if (matcher.group(1).startsWith("http://")){ return matcher.replaceAll("&lt;a href=\"$1\"&gt;$1&lt;/a&gt;"); }else{ return matcher.replaceAll("&lt;a href=\"http://$1\"&gt;$1&lt;/a&gt;"); } }else{ return this.mytext } </code></pre>
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    1. USThang Pham
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    1. COA search including "Linkify" and "URL" will prove fruitful. (This question gets asked a lot - i.e. There are lots of answers out there already.)
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      1. POJava: using regex to find URL turning them into html link. Also detect if link contain http://, If not, append it
      1. USridgerunner
    2. CO@ridgerunner: I am sorry, however I did try what you said and I cant seem to find an answer that fix my problem. `Kelly Chan` provides a nice solution of detect and convert the text link to html link. However, for link like `www.google.com`, I need to make it into `http://www/google.com`, and `Kelly` code does not do so. Can you think of a way to help me on that. I did search around and cant seem to find a solution fit my need.
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      1. USThang Pham
 

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