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Re: regexp

"Immanuel Litzroth" <immanuel_litzroth@hotmail.com> writes:

> if I try
> (regexp-match (regexp "a*") "aaaa")
> Mzscheme v. 103 returns
> ("") (on HP-UX and Windows95)
> 
> The manual says :
> The first string in this list is the portion of string that matched pattern. 
> If two portions of string can match pattern, then the earliest and longest 
> match is found.
string "" is really _earliest_ match because
a* means `zero or more occurences of 'a'.
regexp "aa*" will work exactly as you expect 
> Why don't I get ("aaaa") as a result (as regular expressions in emacs seem 
> to do?
> Immanuel
> 
> 
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