Rules for building a regular expression from entries in the .ini file?
JP
Based on various code snippets I've looked at, here's what I am replacing:
. -> \.
* -> .*
? -> .
( -> \(
) -> \)
[ -> \[
] -> \]
+ -> \+
Questions:
1. Are there any other characters that I need to convert?
2. When should I match start/end of string? (with ^ and $)
3. Are there any docs for how the .ini file is constructed that might help?
I am doing this because the code I was using for ColdFusion (browscap.cfc) was not matching the user agent: "Safari 5.1.9, Mac OS X 10.6.8" correctly. I believe the correct entry in the .ini file is: [Safari 5.1]. In this case, the regex could be: "Safari 5.1.*" but should not be "^Safari 5.1.*"
James Titcumb
Hi there!
The regexes should assert start and end of string all the time (with ^ and $ as you mentioned), I know that off my head, and the mapping you have there looks about right.
That particular UA is not designed to be matched directly - the "children" of that UA should match. The UA "Safari 5.1.9, Mac OS X 10.6.8" is not a valid UA, so would not match anything. Safari UA at least starts with "Mozilla..." like most browser UAs.
It might be worth looking at the way https://github.com/browscap/browscap-php parses the INI file :)
HTH, thanks
James
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