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    <p>If all you want to do is replace "Animal|" with "Animal:" then you can do a simple <a href="http://php.net/manual/en/function.str-replace.php" rel="nofollow"><code>str_replace</code></a>:</p> <pre><code>$check = "Apple|Orange|Animal|Dog|Grape"; $newCheck = str_replace("Animal|","Animal:"); // will be set to 'Apple|Orange|Animal:Dog|Grape' </code></pre> <p>Is that what you meant?</p> <p><strong>EDIT, FOR CASE 2:</strong></p> <p>I assume you have a string like <code>"Apple|Orange|Animal:Dog|Cat|Grape"</code>, which has the category followed by 2 members of the category. From what you've said, you want to transform this string into <code>"Apple|Orange|Animal:Dog,Cat|Grape"</code> with a comma separating the two group members instead of a pipe. This is more complicated than the first case - the category name could vary, and you can't do a simple <code>str_replace</code> starting with the colon because the first member of the group could vary as well. For this case, you'll need to use a regular expression to match and replace the pattern of the string. Here's the code:</p> <pre><code>$check = "Apple|Orange|Animal:Dog|Cat|Grape"; $newCheck = preg_replace("#(Animal:\w+)\|#", "$1,", $check); // will be set to "Apple|Orange|Animal:Dog,Cat|Grape" </code></pre> <p><a href="http://sandbox.onlinephpfunctions.com/code/d2ae089f00d22851809660b0344d3c1148f5913f" rel="nofollow"><strong>DEMO</strong></a></p> <p>Let me explain what this does, in case you're not familiar with regular expressions. The first argument of the <a href="http://php.net/manual/en/function.preg-replace.php" rel="nofollow"><code>preg_replace</code></a> function, <code>"#(Animal:\w+)\|#"</code>, tells PHP to look for all substrings of <code>$check</code> that begin with the text "Animal" followed by a colon, then a string of words with one or more character, and end with a pipe. This will look for the category name as well as the first member of that category in your string. The second argument, <code>":$1,"</code>, tells PHP to change the first pipe after this pattern into a comma. If you have a different category name, simply change the pattern you pass as the first argument to the <code>preg_replace</code> function:</p> <pre><code>$check = "Apple|Orange|Animal1:Fish|Bird|Grape"; $newCheck = preg_replace("#(Animal1:\w+)\|#", "$1,", $check); // will be set to "Apple|Orange|Animal1:Fish,Bird|Grape" </code></pre> <p>Let me know if this is hard to follow!</p>
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    1. POPHP how to split text that have same delimiter in the text?
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    1. USAlex Kalicki
    1. USAlex Kalicki
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    1. POPHP how to split text that have same delimiter in the text?
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    1. COThanks Alex it does fix the issue. Do you mind i ask, what if i wanted to extract the whole Animal|Dog|Cat, if in some case that it might be 'Animal|Dog|Cat'
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    2. COYou mean if you wanted to change `'Animal|Dog|Cat'` to `'Animal|Dog:Cat'`? Then you'd do `$newCheck = str_replace("Animal|Dog|","Animal|Dog:");` instead. Check out the [PHP documentation](http://php.net/manual/en/function.str-replace.php).
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    3. COSorry typo Lets say if by default is "Animal:Dog|Cat" or "Animal:Fish|Bird where the animal could be vary.
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