R-alpha: R-beta: regex

[Ross Ihaka]

Thomas Lumley writes:
 > On 22 May 1997, Peter Dalgaard BSA wrote:
 > 
 > > > > grep("([A-Za-z][^:]*):\\1","Ac:Ac",value=T)
 > > > character(0)
 > 
 > > I strongly suspect that no number of \s will make it work as long as
 > > do_grep() in main/character.c contains this line:
 > > 
 > >         eflags = REG_NOSUB; 
 > 
 > Is this a feature? If so, can it at least be made optional?

I have changed it to:

	eflags = 0;

Ross
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