Description of problem:

insights-client doesn't support {x,y} regexp pattern, due to current architecture solution, due to using in remove.conf the comma separator in patterns section. 


How reproducible: 100% 


Steps to Reproduce:
# cat /etc/insights-client/remove.conf
[remove]
patterns=[[:digit:]]\{1,3\}

#insights-client --no-upload

Actual results:

grep: Unmatched \{
grep: Unmatched \{
grep: Unmatched \{
grep: Unmatched \{
grep: Unmatched \{
grep: Unmatched \{
grep: Unmatched \{
grep: Unmatched \{
grep: Unmatched \{
grep: Unmatched \{
grep: Unmatched \{
...
Additional info: