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    <p>You're close, you need to have it handle any number of spaces after your initial <code>&lt;</code>, and handle if it doesn't have any space at all.</p> <p>Using your <a href="http://rubular.com/r/mYLG0C5CVV" rel="nofollow">example</a>, you can use the regex <code>&lt;\s*(br|BR|bR|Br|br)&gt;</code> to have it accept the <code>0 to N</code> spaces before your BR works. You can also simplify it a little bit more by making it case insensitive with <code>i</code>, which allows for a cleaner looking regex to handle all the variations on <code>BR</code> you will see. <a href="http://rubular.com/r/99EWNZnWDY" rel="nofollow">To do that</a>, use <code>(?i)&lt;\s*br&gt;</code>.</p> <p>I think for completeness you can also include an arbitrary amount of space AFTER the <code>br</code>, just to handle anything that could be thrown. I agree with adding in some sort of catch for a <code>/&gt;</code> to end the pattern, since <code>&lt;br/&gt;</code> is valid HTML as well. It makes the regex look a little more <a href="http://rubular.com/r/SqxhLInAh4" rel="nofollow">crazy</a>, but it boils down to just adding the other 3 pieces.</p> <p><code>(?i)&lt;\s*br\s*\/?\s*&gt;</code></p> <p>It looks really scary, but breaks down very simply into a few parts:</p> <ol> <li><code>(?i)</code> turns on case insensitive to handle the variations on the <code>br</code>. </li> <li><code>&lt;\s*</code> is the start of the tag directly followed by an arbitrary number of spaces.</li> <li><code>br\s*</code> is your <code>br</code> chars followed by an arbitrary number of spaces.</li> <li><code>\/?</code> is to handle 0 or 1 instances of the closing slash (to handle HTML valid tags like <code>&lt;br/&gt;</code> and <code>&lt;br&gt;</code>.</li> <li><code>\s*&gt;</code> is handling an arbitrary number of spaces and then the closing <code>&gt;</code>.</li> </ol>
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    1. COThanks a lot Walls , Regex `(?i)<\s*br>` works like a charm!!
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    2. CO@Hossam I agree with David's inclusion of the `/` handling at the end, so I have added that in, as well as a breakdown of the regex into smaller pieces to help you out in the future. Regex can be scary at first, but breaking it down little by little makes it a whole lot easier to learn at first.
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