I wouldn't expect much backtracking from your regexp, even in a failure case, so (?>...) will probably be of limited use. For example, either it finds an attribute or it doesn't, there's nothing else to try to match. You can try playing with (?>...) to find out for sure.

In reply to Re: Regex optimization: Can (?> ) and minimal match help here? by ikegami
in thread Regex optimization: Can (?> ) and minimal match help here? by Anonymous Monk

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