On Monday, September 17, 2012 12:07:58 PM UTC-5, Martin Jiricka wrote:
> Hello!
> 
> 
> 
> First of all, thank you for your reply!
> 
> 
> 
> > I think you wanted one of these:
> 
> > \v(123)@<=abc
> 
> 
> 
> Yes, this is what I wanted.
> 
> 
> 
> > Additionally, if this WERE working as you expect, your pattern would NEVER 
> 
> > match. You are saying,
> 
> > "match abc where 123 also matches in the same position"
> 
> > which cannot possibly succeed, because 123 does not match where abc matches.
> 
> 
> 
> I don't get this. Of course I didn't want to match 'abc' on '123'. (That's 
> the purpose of regexes, match pattern where the pattern match, I would 
> say...?) I posted simplified example, originally I wanted to match last word 
> before the parenthesis, which is a function name. The '@<=' works fine for 
> this.
> 
> 

Yes, and @<= is what you wanted. You used @=, which is a zero-width look-ahead, 
not a look-behind.

E.g. /\(abc\)\@=\a\+ will match the whole string "abcdefghij"; it says "find a 
string of alphabetic characters starting with 'abc'". /\(abc\)\@<=\a\+ will 
match the "defghij" in "abcdefghij" only; it says, "find a string of alphabetic 
characters preceded by 'abc'".

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