At the risk of upsetting the keepers of the "Thou shalt not parse web pages with regular expressions" commandment (who are almost always correct), here is a fragile solution that works, for the sample input you provided and for the web page complete:

use strict;
use warnings;
use utf8;
use feature qw/unicode_strings say/;

my $doc = do{ local $/ = undef; <DATA>; };

say GetEmailLink($doc) // 'Unable to parse document.';


sub GetEmailLink {
  my $document = shift;

  my %component = fetch_obscured_email($document);
  return unless keys %component; # Detect and pass along failure to pa
+rse.

  my $link = q();
  for( my $i = 0; $i != @{$component{cypher}}; ++$i ) {

    my $linkChar = $component{cypher}[$i] - $component{key}[$i % @{$co
+mponent{key}}];
    $link .= chr($linkChar);

  }

  return $link;

};


sub fetch_obscured_email {
  my $data = shift;

  $data =~
    m/
      SetEmailLink\s*\(\s*          # Function name and opening paren 
+(anchor).
      [^,]*,                            # Unwanted first parameter.
      \s* \[ \s* ( [^]]+ ) \s* \] \s*,  # Wanted second parameter.
      [^,]*,                            # Unwanted third parameter.
      \s* \[ \s* ( [^]]+ ) \s* \] \s*   # Wanted fourth parameter.
      \s*\)                         # Closing paren.
    /x
    or return;        # Condition: Failure to parse.

  my( $text_param, $key_param ) = ( $1, $2 );

  tr/0-9,//dc for $text_param, $key_param;    # Keep only what we need
+.

  return(
    cypher => [ split /,/, $text_param ],
    key    => [ split /,/, $key_param  ]
  );

}


__DATA__
<script type="text/javascript">
//<![CDATA[
jQuery(function () { 
SetEmailLink('phmain_1_phrightcontent_0_lnkEmail', [113,104,125,164,11
+8,187,87,149,128,146,184,114,53,138,161,112,176,146,143,76,160,188,11
+2,114,121,154,113,190,132,80,112,152], [], [4,7,20,56,2,76,29,34,12,4
+5,83]); 
});//]]>
</script>

[download]

Dave

In reply to Re^5: Email - jquery by davido
in thread Email - jquery by bib

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