lucy24 - 11:02 pm on Sep 2, 2013 (gmt 0)
Oops, I thought that was g1's typo but it's in the OP
Typo for [0-9] ? The examples include all possible numbers. If your server is OK with \d that's a savings of three bytes each time ;)
If you need to exclude patterns with more or less than 3 digits, say
but otherwise it doesn't matter.