Hi;
Am Mon, 1 Oct 2012 17:25:32 +0100 (BST)
schrieb Philip Hazel <[email protected]>:
> The complete list of options that can be changed within a pattern is:
>
> (?i) caseless
> (?J) allow duplicate names
> (?m) multiline
> (?s) single line (dotall)
> (?U) default ungreedy (lazy)
> (?x) extended (ignore white space)
>
> (*UTF) PCRE_UTF8/16
> (*UCP) PCRE_UCP
> (*NO_START_OPT) PCRE_NO_START_OPTIMIZE
> (*CR) )
> (*LF) )
> (*CRLF) ) select newline style
> (*ANY) )
> (*ANYCRLF) )
> (*BSR_ANYCRLF) \R matches any of CR, LF, CRLF
> (*BSR_UNICODE) \R matches any Unicode newline
>
> The (*...) ones were added because users who could not alter their
> application's code wanted access to the options.
>
> If people are worried about this, we could provide a facility to
> compile PCRE with the (*...) features disabled. Alternatively, we
> could provide pcre_compile() and/or pcre_exec() options to disable
> them.
Are any of the other ones dangerous? Afaict not. So limiting
this new compile or runtime option's effect to (*UTF8) would be enough.
Regards,
Christian
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