if a username has punctuation do we just ignore that username?

if a username has punctuation do we just ignore that username?
The only clue on offer at the moment is that I will confirm/deny one username that you think is in the string for a day of VIP.
this is stupid theres like 60k registered members of which maybe 20k with a number/punctuation in their name
Just to help out you guys, heres the amount in the second string:
5x A
1x B
4x C
4x D
4x E
4x G
3x H
6x I
1x K
5x L
4x M
5x N
3x O
2x P
4x R
1x S
3x T
1x U
1x W
5x X
1x Y
is xxmattgxx in it
if so then it's down to
AAAABCCCCDDDDEEEEEGGGHHHIIIIIIKLLLLLMMMNNNNNOOOPPR RRRSTUWXY
1) xxmattgxx
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