You can use a *Run AppleScript* action to do the text processing. I haven't performed extensive testing with the AppleScript handler (it works with what I can find), but the following workflow should be close:
1) *Get Specified URLs* ( add your web pages here )
2) *Get Text from Webpage*
3) *Filter Paragraphs* { Return paragraphs that are not empty }
4) *Run AppleScript*
<pre style="
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width: 720px; height: 340px;
color: #000000;
background-color: #DAFFB6;
overflow: auto;"
title="this text can be pasted into an Automator 'Run AppleScript' action">
on run {input, parameters}
set output to {}
repeat with anItem in input
set output to output & (getEmailAddresses from anItem)
end repeat
return output
end run
to getEmailAddresses from someText
(*
extract email addresses "somename@somehost" or "<somename@somehost>" from SomeText
the "<>" characters, if any, are trimmed from the result
parameters - someText [text]: the text to extract the address from
returns [list]: the email addresses
*)
set someText to someText as text
set {atCharacter, delimiter} to {"@", space}
set emailList to {}
repeat until someText is ""
set pivotOffset to (offset of atCharacter in someText)
if pivotOffset is 0 then exit repeat
set here to (offset of delimiter in (text pivotOffset thru -1 of someText))
if result is 0 then
set there to reverse of text items of (text 1 thru -1 of someText) as text
set someText to ""
else
set there to reverse of text items of (text 1 thru (pivotOffset + result - 2) of someText) as text
set someText to text (here + pivotOffset) thru -1 of someText
end if
set anEmail to reverse of text items of (text 1 thru ((offset of delimiter in there) - 1) of there) as text
if anEmail begins with "<" then set anEmail to text 2 thru -1 of anEmail
if anEmail ends with ">" then set anEmail to text 1 thru -2 of anEmail
set the end of emailList to anEmail
end repeat
return emailList
end getEmailAddresses
</pre>