grep "Feb.*2006.*smile.*has joined this channel"./irc.uwcs.co.uk_#compsoc.log -i
[Wed Feb 1 2006] [01:07:40] Join        smile|gone has joined this channel. (m@212.241.231.34)
[Wed Feb 1 2006] [22:42:18] Join        smile|dcs has joined this channel. (d@dcslab-17.dcs.warwick.ac.uk)
[Thu Feb 2 2006] [16:34:21] Join        smile|dcs has joined this channel. (v@dcslab-10.dcs.warwick.ac.uk)
[Thu Feb 2 2006] [21:59:22] Join        smile|gone has joined this channel. (m@212.241.231.34)
[Fri Feb 3 2006] [15:07:24] Join        smile|campus has joined this channel. (me@137.205.17.22)
[Fri Feb 3 2006] [20:23:30] Join        smile|dcs has joined this channel. (v@dcslab-17.dcs.warwick.ac.uk)
[Sat Feb 4 2006] [01:17:55] Join        smile|sleeps has joined this channel. (m@212.241.231.34)
[Sun Feb 5 2006] [13:00:47] Join        smile|dcs has joined this channel. (b@137.205.113.166)
[Sun Feb 5 2006] [17:33:43] Join        smile|sleep has joined this channel. (m@212.241.231.34)
[Mon Feb 6 2006] [12:52:34] Join        smile|dcs has joined this channel. (c@dcslab-46.dcs.warwick.ac.uk)
[Tue Feb 7 2006] [14:37:10] Join        smile|dcs has joined this channel. (d@dcslab-40.dcs.warwick.ac.uk)
[Tue Feb 7 2006] [16:06:55] Join        smile|dcs has joined this channel. (d@dcslab-19.dcs.warwick.ac.uk)
[Wed Feb 8 2006] [13:34:52] Join        smile|dcs has joined this channel. (d@dcslab-19.dcs.warwick.ac.uk)
[Wed Feb 8 2006] [17:40:15] Join        smile|campus has joined this channel. (me@137.205.237.148)
[Wed Feb 8 2006] [20:46:56] Join        SMILE has joined this channel. (m@212.241.231.34)
[Thu Feb 9 2006] [12:00:26] Join        SMILE has joined this channel. (d@dcslab-30.dcs.warwick.ac.uk)
[Sun Feb 12 2006] [16:51:20] Join       SMILE has joined this channel (d@dcslab-16.dcs.warwick.ac.uk).
[Sun Feb 12 2006] [16:53:11] Join       SMILE has joined this channel (d@dcslab-35.dcs.warwick.ac.uk).
[Sun Feb 12 2006] [21:13:29] Join       SMILE has joined this channel (d@dcslab-33.dcs.warwick.ac.uk).
[Mon Feb 13 2006] [13:38:58] Join       SMILE has joined this channel (d@137.205.113.147).
[Mon Feb 13 2006] [18:36:44] Join       smile has joined this channel (d@137.205.113.147).