Beefy Boxes and Bandwidth Generously Provided by pair Networks
XP is just a number
 
PerlMonks  

comment on

( [id://3333]=superdoc: print w/replies, xml ) Need Help??
The bummer with what you have there, besides being long, is that it matches stuff if you've got the colons and the dashes intermingled in the same string, which is probably NOT what you want. Try this chunk of code out:
#!/usr/bin/perl -w use strict; my $d = "[0-9A-Fa-f]"; my $dd = "$d$d"; while (<DATA>) { /($dd([:-])$dd(\2$dd){4})/o && print $1, "\n" } __END__ My MAC address is 00-00-00-00-00-00 over there, and it's 00:00:00:00:00:00 over here, and the date/time happens to be 2001-05-25-15:27. Note that 00:00-00:00-00:00 isn't really valid. Oh, and I have one address of DE:AD:BE:EF:21:12.
When I run it, I get the following output
00-00-00-00-00-00 00:00:00:00:00:00 DE:AD:BE:EF:21:12
Note that it skipped the 4th sample line where the dashes 'n' colons are intermingled.

xoxo,
Andy

%_=split/;/,".;;n;u;e;ot;t;her;c; ".   #   Andy Lester
'Perl ;@; a;a;j;m;er;y;t;p;n;d;s;o;'.  #   http://petdance.com
"hack";print map delete$_{$_},split//,q<   andy@petdance.com   >

In reply to Re: Regular Expression for MAC Address by petdance
in thread Regular Expression for MAC Address by marius

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



  • Are you posting in the right place? Check out Where do I post X? to know for sure.
  • Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
    <code> <a> <b> <big> <blockquote> <br /> <dd> <dl> <dt> <em> <font> <h1> <h2> <h3> <h4> <h5> <h6> <hr /> <i> <li> <nbsp> <ol> <p> <small> <strike> <strong> <sub> <sup> <table> <td> <th> <tr> <tt> <u> <ul>
  • Snippets of code should be wrapped in <code> tags not <pre> tags. In fact, <pre> tags should generally be avoided. If they must be used, extreme care should be taken to ensure that their contents do not have long lines (<70 chars), in order to prevent horizontal scrolling (and possible janitor intervention).
  • Want more info? How to link or How to display code and escape characters are good places to start.
Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others chanting in the Monastery: (7)
As of 2024-04-19 10:32 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found