Re: understand this regular expression

[monnappa appaiah]

Hi Rob,

           Thanks a lot for your quick respone, but can u please tell me how
did u know that &#114 is 'r' and ਊ is 'GURMUKHI LETTER UU'...... i wud
like to know bcoz i wud be dealing with these kind of regex often so it wud
be helpful to understand?

Thanks


On Fri, Dec 12, 2008 at 1:12 AM, Rob Dixon <rob.di...@gmx.com> wrote:

> monnappa appaiah wrote:
> > Hi all,
> >
> > i have this regex
> >
> >
> [\x3c][i][m][a][g][e]\x20[s][r][c][=][h][t][t][p][:]\x2f\x2f[\x26][#]114[;][\x26][#]2570[;][\x26][#]114[;][.][b][o][o][k][.][c][o][m]
> >
> >
> > when i tried to put it into human readable form this i got this
> >
> > <image src=http://%26#114;%26#2570;%26#114;.book.com
> >
> >
> > is that right?.......if not what is the actual decode, can someone pls
> > explain that regex?
>
> That's close, but [\x26] is the ampersand so the regex just matches the
> string
>
>  <image src=http://&#114;&#2570;&#114;.book.com
>
> It looks like someone's trying to be obscure with their code, or perhaps
> encode
> some data into the host name. &#114; is just a small 'r', but &#2570; is
> 'GURMUKHI LETTER UU'.
>
> HTH,
>
> Rob
>