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Dhaval Parikh

2007-Aug-21 13:17 UTC

fetch string matching with email

hello frnds

I want to match and fetch the string from the db contents so is there a
method for it.

The contents can be abc-GXcTff7tL0M@public.gmane.org or also <a href
mailto:abc-GXcTff7tL0M@public.gmane.org</a>
from both the things I want to fetch only the email id i.e
abc-GXcTff7tL0M@public.gmane.org

Can ne one help me out?

Thanks

Dhaval Parikh
-- 
Posted via http://www.ruby-forum.com/.

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raghukumar

2007-Aug-21 17:58 UTC

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Re: fetch string matching with email

Hi Dhaval,

data = "you data " (can be abc-pWbnnh6VMUY@public.gmane.org or <a
href=mailto:abc-pWbnnh6VMUY@public.gmane.org>

you do this

regex = /[:]?[a-zA-Z0-9]+@[a-zA-Z0-9]+.[a-zA-Z]{3}

if  data =~ regex
   puts "matched String:(email): #{$&}"
else
   puts "no match"
end

$& contains the matched sting, $'' : contains the post string after
match, $`: contains the pre string that precedes your match criteria

P.s: change the regex value to what ever you want as necessary.

On Aug 21, 6:17 pm, Dhaval Parikh
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:> hello frnds
>
> I want to match and fetch the string from the db contents so is there a
> method for it.
>
> The contents can be a...-GXcTff7tL0M@public.gmane.org or also <a href
mailto:a...-GXcTff7tL0M@public.gmane.org</a>
> from both the things I want to fetch only the email id i.e
a...-GXcTff7tL0M@public.gmane.org
>
> Can ne one help me out?
>
> Thanks
>
> Dhaval Parikh
> --
> Posted viahttp://www.ruby-forum.com/.

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Dhaval Parikh

2007-Aug-22 11:37 UTC

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Re: fetch string matching with email

ok thanks but what if I want to use the samething with for loop then 
will it work?

thanks a lot

Dhaval Parikh
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raghukumar

2007-Aug-22 15:04 UTC

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Re: fetch string matching with email

sure it will work, the value of data variable is going to be what ever
you want

example
array_of_objects = ["mailto:a@a.com", "a@a.com", ....]

array_of_objects.delete_if { |data|
                !(data =~ regex)
}

On Aug 22, 4:37 pm, Dhaval Parikh
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:> ok thanks but what if I want to use the samething with for loop then
> will it work?
>
> thanks a lot
>
> Dhaval Parikh
> --
> Posted viahttp://www.ruby-forum.com/.

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Dhaval Parikh

2007-Sep-06 10:31 UTC

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Re: fetch string matching with email

I am currently using .match(/\S+@\S+\.\S+/) but i want to refine 
it...for the last string i.e after . i want to restrict the no of char 
to max 3 only the others should not be displayed ..can ne one tell me 
how to do it.

thanks

dhaval parikh
-- 
Posted via http://www.ruby-forum.com/.

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raghukumar

2007-Sep-07 04:37 UTC

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Re: fetch string matching with email

.match(/\S+@\S+\.[a-zA-Z0-9]{3,3}/) (min number of char = 3 and max
number of char = 3)
.match(/\S+@\S+\.[a-zA-Z0-9]{3}/) (min number of char = 3 and max
number of char = unlimited)
.match(/\S+@\S+\.[a-zA-Z0-9]{,3}/) (min number of char = 0 and max
number of char = 3)

On Sep 6, 3:31 pm, Dhaval Parikh
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:> I am currently using .match(/\S+@\S+\.\S+/) but i want to refine
> it...for the last string i.e after . i want to restrict the no of char
> to max 3 only the others should not be displayed ..can ne one tell me
> how to do it.
>
> thanks
>
> dhaval parikh
> --
> Posted viahttp://www.ruby-forum.com/.

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hannes.tyden-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

2007-Sep-07 07:41 UTC

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Re: fetch string matching with email

I you were not already, I want to make you aware that there are top
level domains with names longer than three characters. "museum" for
instance.

Wikipedia has the whole list:
http://en.wikipedia.org/wiki/List_of_Internet_top-level_domains

On Sep 7, 6:37 am, raghukumar
<raghukumar.r...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:> .match(/\S+@\S+\.[a-zA-Z0-9]{3,3}/) (min number of char = 3 and max
> number of char = 3)
> .match(/\S+@\S+\.[a-zA-Z0-9]{3}/) (min number of char = 3 and max
> number of char = unlimited)
> .match(/\S+@\S+\.[a-zA-Z0-9]{,3}/) (min number of char = 0 and max
> number of char = 3)
>
> On Sep 6, 3:31 pm, Dhaval Parikh
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
> wrote:
>
> > I am currently using .match(/\S+@\S+\.\S+/) but i want to refine
> > it...for the last string i.e after . i want to restrict the no of char
> > to max 3 only the others should not be displayed ..can ne one tell me
> > how to do it.
>
> > thanks
>
> > dhaval parikh
> > --
> > Posted viahttp://www.ruby-forum.com/.

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Dhaval Parikh

2007-Sep-07 09:45 UTC

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Re: fetch string matching with email

thanks a lot to both of you i modified the code a bit as per your 
suggestions
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Rails - Aug 2007 - fetch string matching with email

fetch string matching with email

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