Re: [Regexp] Baffling behavior

[Wes Biggs]

Kenneth Ölwing wrote:
> Being an experienced Perl user, I got a result when using the gnu.regexp
> classes that completely pulled the rug from under me.
>
> In Perl, the following prints '1', i.e. true because it matches:
>
>     print "xabcx" =~ /abc/;
>
> No surprise there. But:
>
>     System.out.println(new RE("abc").isMatch("xabcx"));
>
> prints 'false'. Huh???

As you surmise, "isMatch" assumes anchoring on both ends.  Read as "is 
the whole input a match"?

For the behavior you want, you should use:

System.out.println(new RE("abc").getMatch("xabcx") != null);

Cheers

Wes