fix appraisal

.standard.yml

@@ -7,6 +7,7 @@ format: progress
 ignore:
   - '**/*':
     - Standard/SemanticBlocks
+    - Performance/RegexpMatch
   - 'spec/**/*':
     - Lint/UselessAssignment
     - Lint/Void

lib/lumberjack.rb

@@ -6,9 +6,7 @@
 require "logger"
 
 module Lumberjack
-  # rubocop:disable Performance/RegexpMatch
   LINE_SEPARATOR = (RbConfig::CONFIG["host_os"] =~ /mswin/i ? "\r\n" : "\n")
-  # rubocop:enable Performance/RegexpMatch
 
   require_relative "lumberjack/severity"
   require_relative "lumberjack/formatter"

lib/lumberjack/device/size_rolling_log_file.rb

@@ -51,7 +51,7 @@ def roll_file?
       def next_archive_number # :nodoc:
         max = 0
         Dir.glob("#{path}.*").each do |filename|
-          if /\.\d+$/.match?(filename)
+          if /\.\d+\z/ =~ filename
             suffix = filename.split(".").last.to_i
             max = suffix if suffix > max
           end

spec/device/rolling_log_file_spec.rb

@@ -78,7 +78,7 @@
     end
 
     # Process.fork is unavailable on jruby so we need to use the java threads instead.
-    if RUBY_PLATFORM.match?(/java/)
+    if RUBY_PLATFORM =~ /java/
       outer_threads = []
       process_count.times do
         outer_threads << Thread.new(&logger_test)