...* The alphanumeric filter supports boolean operators || (or) and &&
(and).
......Example: The expression "Ae || Ar || As || B[ers]" will load all
map
.........layer that have Ae, Ar, As, Be, Br or Bs in their file
names.
......Note 1: && has higher priority, i.e., "a || b && c " becomes
........."(a || b) && c"
......Note 2: Boolean operators are combined with match modes, i.e.,
the
.........expression "a || b" with a match mode 'Starts with' becomes
........."^a || ^b" and will find all layers whose file names START
WITH
........."a" or "b".

...Case insensitive option for the alphanumeric filter (Configuration
tab).

...Accent insensitive option for the alphanumeric filter. This option
requires
......the Python lib 'unidecode' and can be activated in the
Configuration tab.

...Performance improvement in alphanumeric filter. RE patterns are
compiled
......and reused.

...* New bounding box based filter for raster and vector files. The
bounding
......box can be load from the current extent or specified by hand.
......Raster and vector layers are checked if their spatial extent
......intersects with the specified bbox or if they lay inside of
it.
......This operation (intersects/contains) can be specified in the
dialog.

...* Modified class filter structure to easily support more filters.
Soeren has
......removed the combined filter class and replaced it with a filter
list,
......that can handle any number of filters. It is assured in the code
that
......the bounding box filter is applied after the alphanumeric and
the
......geometry/raster type filter, since the check of the raster and
vector
......layers extent may take a while.

...Bug fix: Similar to the bug fixed in v.2.2 related to trailing
slashes, the
......same bug was occurring on Windows (e.g., "c:\folder\").
...(*: Contribution by Söeren Gebbert)

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