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Asked: 2026-05-15T14:39:27+00:00

I need extract data from a string. Heres an example: Mozilla/5.0 (Macintosh; U; PPC

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I need extract data from a string. Heres an example:

Mozilla/5.0 (Macintosh; U; PPC Mac OS
X; tr-tr) AppleWebKit/418 (KHTML, like
Gecko) Safari/417.9.3

I want to get what’s after the “Safari/” (417.9.3) but:

  1. The “Safari” string can be in any character case and can be anywhaere in the string.
  2. The version is separated from “Safari” by “/”, ” /”, “/ “, ” / ” or any whitespace.
  3. The version string end by any whitespace, “)”, “(“, “;”, or the end of the string.

Anyone can help me build this up?

Thanks!

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1 Answer

  1. Editorial Team
    preg_match("#Safari(\s+|/\s*)([^)(;]+)#i", $_SERVER['HTTP_USER_AGENT'], $results);

    The i at the end means “case insensitive”, which answers criteria one.

    (\s+|\s*/\s*)? matches either at least one whitespace character or a slash preceded and followed by an arbitrary number of whitespace characters (from zero to infinity and beyond), which addresses criteria two.

    [^)(;]+ will match as many characters as possible that are not inside the set, which addresses criteria three.

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