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Home/ Questions/Q 814243
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Editorial Team
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Editorial Team
Asked: May 15, 20262026-05-15T01:29:18+00:00 2026-05-15T01:29:18+00:00

date = re.search(r'([\x\d\w-.\s,()&\]+|) I am migrating a code from PHP to Python, and am

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date = re.search(r'([\x\d\w-.\s,()&\”]+|)

I am migrating a code from PHP to Python, and am using this piece of regex expression on re.match, which doesn’t work, giving a python error of:

raise error, v # invalid expression

It works on PHP’s preg_match, and also http://www.gskinner.com/RegExr , any idea why this is happening? Thanks!

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  1. Editorial Team
    Editorial Team
    2026-05-15T01:29:19+00:00Added an answer on May 15, 2026 at 1:29 am
    \x
    

    on its own is invalid (both in PHP and Python, but perhaps PHP just ignores it while Python throws an exception). Try removing it, and also moving the - to the end of the character class:

    date = re.search(r'<td>([\d\w.\s,()&\"-]+|)<br><font',page_data)
    

    But in all cases, you won’t get very happy if you try parsing HTML with regular expressions.

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