syntax: regexp
flys-artifacts/target      # maven output
flys-artifacts/\.classpath # eclipse
flys-artifacts/\.project   # eclipse
flys-artifacts/\.settings  # eclipse
flys-artifacts/test-output # eclipse junit/testng plugin output
flys-backend/target      # maven output
flys-backend/\.classpath # eclipse
flys-backend/\.project   # eclipse
flys-backend/\.settings  # eclipse
flys-backend/test-output # eclipse junit/testng plugin output
flys-client/target      # maven output
flys-client/\.classpath # eclipse
flys-client/\.project   # eclipse
flys-client/\.settings  # eclipse
flys-client/test-output # eclipse junit/testng plugin output
\.swp
\.swo