How to create a column filter using DXL?

The DOORS filter UI allows a user to specify filters on column text. The resulting descriptions look like:

Column colName contains 'foo'
Column colName contains 'foo' (case sensitive)
Column colName contains 'foo.*' (with regexps)
Column colName contains 'foo.*' (with regexps and case sensitive)

I am unable to find a filter function DXL manual (8.1) that will let me generate a similar filter using DXL. How could I do this?
SystemAdmin - Fri Apr 03 13:00:33 EDT 2009

Re: How to create a column filter using DXL?
SystemAdmin - Fri Apr 03 14:46:07 EDT 2009

My DXL Help says (9.1 though):

column (value)
Syntax
Filter column(string ColumnName,
string SearchText
[, bool CaseSensitive,
bool RegularExpression])
Operation
Filters on the contents of ColumnName. The last two parameters are optional.

Re: How to create a column filter using DXL?
SystemAdmin - Fri Apr 03 14:54:32 EDT 2009

That works perfectly in 8.1 version. Thanks.

Re: How to create a column filter using DXL?
phrebh - Mon Jan 04 17:39:43 EST 2010

This also works in DOORS7sp1 (don't ask). Thanks!