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<?php $subcat = 1; $cat = 2; $text = 'This is a non-qualifying#HashTag and this has white space before it #Test9 and some more text.'; $text = preg_replace('/(?<!\S)#\K[\da-z]+/i', "<a href=\"https://somesite.com/search?cityid=0&lang=en&search=\\0&subcatid=$subcat&view=ads&catid=$cat\">#\\0</a>", $text); echo $text;
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
This is a non-qualifying#HashTag and this has white space before it #<a href="https://somesite.com/search?cityid=0&lang=en&search=Test9&subcatid=1&view=ads&catid=2">#Test9</a> and some more text.
preferences:
125.86 ms | 1991 KiB | 4 Q