Hans Meier (John Doe) wrote:
> John W. Krahn am Dienstag, 7. März 2006 00.12:
>>Adam W wrote:
>>>JupiterHost.Net wrote:
>>>>>>$text =~ s!(.*?)\((.*?)\)!<a href="$2" alt="$2">$1</a>!g;
> [...]
>>>>Same exact regex as above:
>>>>
>>>>$test =~ s{ (.*?) [(] (.*?) [)] }
>>>> {<a href="$2" alt="$2">$1</a>}xmsg;
> [...]
>>>Can you tell me what the function of the square-brackets are for regexps?
>>>How are they different than regular parens?
>>'[' and ']' define a character class, but you don't really need a character
>>class in your example.
>
> just to sum up:
>
> $test =~ s{ (.*?) \( (.*?) \) }
> {<a href="$2" alt="$2">$1</a>}xsg;
>
> - "\(" instead of "[(]": more readable
And more efficient.
John
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