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Search for Custom Tag and Get its Value

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Feb 11.2011

Hi guys,

I hope you guys can help me.

I am looking for ways to extract the value, of a custom tag, say for example [%TagValue%] in a given string.

For example:
$string = “I am a cool string and I am looking for [%TagValue1%] and [%TagValue2%].”;

I am looking search the number of occurances of a custom tag [%~%] as well as extract its value.

Really, hope you guys can help me.

Thanks in advance.

Farhan

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PHP

2 Comments(s) ↴

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@NogDogFeb 11.2011 — preg_match() and/or preg_match_all() will be your friend.
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@tirnaFeb 11.2011 — You also will need to understand regexp's.

This extracts whatever is in between the [% and %] tags in a string.

$matchesArray is a 2D array with $matchesArray[0] containing the strings between the tags.

[code=php]
<?php
$string = "[%TagValue4%]I am a cool string and I am looking for [%TagValue1%] and xxx [%TagValue2%][%TagValue3%] more text.";
preg_match_all("/(?<=([%))[^(%])]+/", $string, $matchesArray, PREG_PATTERN_ORDER);
foreach ($matchesArray[0] as $value) {
echo $value . '<br/>';
}
?>
[/code]
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