Regexp error on filter_apply()

[hsoft]

@@@
Application Identifier: com.hardcoded_software.dupeguru_me
Application Version: 5.6.4

Traceback (most recent call last):
File "/Applications/dupeGuru ME.app/Contents/Resources/dg_cocoa.plugin/Contents/Resources/dg_cocoa.py", line 95, in applyFilter_
File "dupeguru/app.pyc", line 136, in apply_filter
File "dupeguru/results.pyc", line 146, in apply_filter
File "re.pyc", line 190, in compile
File "re.pyc", line 245, in _compile
error: nothing to repeat
@@@

[hsoft]

When regexp mode is off, writing down an invalid regexp (like "[") will result in an error. That error should just be ignored, and nothing should be filtered.

[hsoft]

[milestone:id#51279 bulk edit command]

[hsoft]

(from [156]) [#60 state:fixed] Ignore invalid regexp in filter field