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extract string between 2 tags/words

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Nov 07.2010

I want to extract each word between 2 given tags/words in my string (from text file).

For example my string is:

“Lorem ipsum <b>[B]dolor[/B]</b> sit amet, consectetur adipiscing elit. <b>[B]Nulla[/B]</b> molestie, orci at eleifend ullamcorper, nulla <b>[B]diam[/B]</b> dictum purus, et mattis leo risus id metus. <b>[B]Proin[/B]</b> id pretium enim.”

I want extract (the best to array) all words between “[B]<b>[/B]” and “[B]</b>[/B]“, so array would be:

[B]dolor, Nulla, diam, Proin[/B]

Is this possible?

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PHP

3 Comments(s) ↴

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@Peterk92Nov 07.2010 — Im not exactly sure how to do it but i believe you should be looking at the DOM functions in PHP
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@NogDogNov 07.2010 — You can use [url=http://php.net/preg_match_all]preg_match_all[/url](), though it can potentially be problematic if you have nested tags for some reason, e.g.
<i>
</i>This &lt;b&gt; is &lt;b&gt;a&lt;/b&gt; test&lt;/b&gt;.

A more robust solution is to use something like the [url=http://php.net/dom]DOM extension[/url], assuming the source text is reasonably valid HTML, then use the DOMDocument::getElementsByTagName() method.
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@HelleshternauthorNov 07.2010 — I see, I'll check it out (however there won't be nested tags).
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