#10 case insensitive regexes

open
nobody
None
5
2007-08-02
2007-08-02
Anonymous
No

Running this on a Windows server requires absurd measures to make filter patterns work:

<filter action="drop" type="regexp" pattern="/[sS][oO][mM][eE][dD][iI][rR]/" />

There should be case-insensitive comparisons to work around Microsoft's decades old filename case-insensitivity bug.

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