OpenEuphoria

Re: perl-ish regexps?

• Posted by Tom Eklöf <darkspace at GNWMAIL.COM> Jul 18, 1999
• 481 views

> Tom Eklvf wrote:
>
> > I was wondering if anyone would be willing/capable
> > of implementing perl-like regexps, in a function called
> > regex() or something?
>
> You might be able to hack something from my "Regular Expression Matcher",
> found in the Euphoria archive. It's aimed at LEX-type expressions, but it's
> not that far from what you are aiming for.
>
> > result = regex({^\(d).?\1$}, myVar)
>
> Try instead:
>
>   result = regex("^\\(d).?\\1$", myVar)
>
> You need quotes {"} instead of faces {{}}, or Euphoria will try to evaluate
> your expression. In addition, the backslash {\} is a poor selection in
> Euphoria. It is used to delimit special characters, like
>
>     \t (tab)
>     \n (new line)
>     \r (carriage return)
>     \" (quote)
>     \' (single quote)
>     \\ (backslash).
>
> > x = "m5439'.e5588/#s...-*''s009989/&a785784g4654677,,.^^(((~~e"
>
> Same problem as above:
>
>   x = "m5439'.e5588/#s...-*\''s009989/&a785784g4654677,,.^^\(((~~e"
>
> -- David Cuny

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