Dude, perlrequick, Regexp::English, Regexp::Common, Iterator::Files, ARGV::readonly 

 
s{^\Qmail xmlfeedback -s \E(.*)$}{mail -s $1 xmlfeedback}sgx;

s{^mail xmlfeedback -s ("feed invalid for agent \d+")\s*$}{mail -s $1 
+xmlfeedback}sgx;

[download]

use Regexp::English;

my $re = Regexp::English
        -> start_of_line
        -> literal('mail xmlfeedback -s')
        -> remember
            -> literal('"feed invalid for agent ')
            
            -> multiple
                -> digit
            -> end
            
            -> literal('"')
        -> end
        
        -> zero_or_more
            -> whitespace_char
        -> end
        
        -> end_of_line;
print $re;
__END__
(?^:^mail\ xmlfeedback\ \-s(\"feed\ invalid\ for\ agent\ (?:\d+)\")(?:
+\s*)$)

[download]

In reply to Re: search and replace by Anonymous Monk
in thread search and replace by Peamasii

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.