diff --git a/parser_regex.go b/parser_regex.go
index df0cad2..909c513 100644
--- a/parser_regex.go
+++ b/parser_regex.go
@@ -108,10 +108,10 @@ func NewApacheCLFRegexParser(ctx context.Context, writer io.Writer, opt Option)
 		decoder: regexLineDecoder,
 		opt:     opt,
 		patterns: []*regexp.Regexp{
-			regexp.MustCompile(`^(?P<remote_host>\S+) (?P<remote_logname>\S+) (?P<remote_user>[\S ]+) (?P<datetime>\[[^\]]+\]) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" (?P<status>[0-9]{3}) (?P<size>[0-9]+|-) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)"`),
-			regexp.MustCompile(`^(?P<remote_host>\S+) (?P<remote_logname>\S+) (?P<remote_user>[\S ]+) (?P<datetime>\[[^\]]+\]) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" (?P<status>[0-9]{3}) (?P<size>[0-9]+|-)`),
-			regexp.MustCompile(`^(?P<remote_host>\S+)\t(?P<remote_logname>\S+)\t(?P<remote_user>[\S ]+)\t(?P<datetime>\[[^\]]+\])\t\"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\"\t(?P<status>[0-9]{3})\t(?P<size>[0-9]+|-)\t"(?P<referer>[^\"]*)"\t"(?P<user_agent>[^\"]*)"`),
-			regexp.MustCompile(`^(?P<remote_host>\S+)\t(?P<remote_logname>\S+)\t(?P<remote_user>[\S ]+)\t(?P<datetime>\[[^\]]+\])\t\"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\"\t(?P<status>[0-9]{3})\t(?P<size>[0-9]+|-)`),
+			regexp.MustCompile(`^(?P<remote_host>\S+) (?P<remote_logname>\S+) (?P<remote_user>[\S ]+) (?P<datetime>\[[^\]]+\]) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\" (?P<status>[0-9]{3}) (?P<size>[0-9]+|-) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)"`),
+			regexp.MustCompile(`^(?P<remote_host>\S+) (?P<remote_logname>\S+) (?P<remote_user>[\S ]+) (?P<datetime>\[[^\]]+\]) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\" (?P<status>[0-9]{3}) (?P<size>[0-9]+|-)`),
+			regexp.MustCompile(`^(?P<remote_host>\S+)\t(?P<remote_logname>\S+)\t(?P<remote_user>[\S ]+)\t(?P<datetime>\[[^\]]+\])\t\"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\"\t(?P<status>[0-9]{3})\t(?P<size>[0-9]+|-)\t"(?P<referer>[^\"]*)"\t"(?P<user_agent>[^\"]*)"`),
+			regexp.MustCompile(`^(?P<remote_host>\S+)\t(?P<remote_logname>\S+)\t(?P<remote_user>[\S ]+)\t(?P<datetime>\[[^\]]+\])\t\"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\"\t(?P<status>[0-9]{3})\t(?P<size>[0-9]+|-)`),
 		},
 	}
 	if opt.LineHandler == nil {
@@ -129,10 +129,10 @@ func NewApacheCLFWithVHostRegexParser(ctx context.Context, writer io.Writer, opt
 		decoder: regexLineDecoder,
 		opt:     opt,
 		patterns: []*regexp.Regexp{
-			regexp.MustCompile(`^(?P<virtual_host>\S+) (?P<remote_host>\S+) (?P<remote_logname>\S+) (?P<remote_user>[\S ]+) (?P<datetime>\[[^\]]+\]) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" (?P<status>[0-9]{3}) (?P<size>[0-9]+|-) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)"`),
-			regexp.MustCompile(`^(?P<virtual_host>\S+) (?P<remote_host>\S+) (?P<remote_logname>\S+) (?P<remote_user>[\S ]+) (?P<datetime>\[[^\]]+\]) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" (?P<status>[0-9]{3}) (?P<size>[0-9]+|-)`),
-			regexp.MustCompile(`^(?P<virtual_host>\S+)\t(?P<remote_host>\S+)\t(?P<remote_logname>\S+)\t(?P<remote_user>[\S ]+)\t(?P<datetime>\[[^\]]+\])\t\"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\"\t(?P<status>[0-9]{3})\t(?P<size>[0-9]+|-)\t"(?P<referer>[^\"]*)"\t"(?P<user_agent>[^\"]*)"`),
-			regexp.MustCompile(`^(?P<virtual_host>\S+)\t(?P<remote_host>\S+)\t(?P<remote_logname>\S+)\t(?P<remote_user>[\S ]+)\t(?P<datetime>\[[^\]]+\])\t\"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\"\t(?P<status>[0-9]{3})\t(?P<size>[0-9]+|-)`),
+			regexp.MustCompile(`^(?P<virtual_host>\S+) (?P<remote_host>\S+) (?P<remote_logname>\S+) (?P<remote_user>[\S ]+) (?P<datetime>\[[^\]]+\]) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\" (?P<status>[0-9]{3}) (?P<size>[0-9]+|-) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)"`),
+			regexp.MustCompile(`^(?P<virtual_host>\S+) (?P<remote_host>\S+) (?P<remote_logname>\S+) (?P<remote_user>[\S ]+) (?P<datetime>\[[^\]]+\]) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\" (?P<status>[0-9]{3}) (?P<size>[0-9]+|-)`),
+			regexp.MustCompile(`^(?P<virtual_host>\S+)\t(?P<remote_host>\S+)\t(?P<remote_logname>\S+)\t(?P<remote_user>[\S ]+)\t(?P<datetime>\[[^\]]+\])\t\"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\"\t(?P<status>[0-9]{3})\t(?P<size>[0-9]+|-)\t"(?P<referer>[^\"]*)"\t"(?P<user_agent>[^\"]*)"`),
+			regexp.MustCompile(`^(?P<virtual_host>\S+)\t(?P<remote_host>\S+)\t(?P<remote_logname>\S+)\t(?P<remote_user>[\S ]+)\t(?P<datetime>\[[^\]]+\])\t\"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\"\t(?P<status>[0-9]{3})\t(?P<size>[0-9]+|-)`),
 		},
 	}
 	if opt.LineHandler == nil {
@@ -150,11 +150,11 @@ func NewS3RegexParser(ctx context.Context, writer io.Writer, opt Option) *RegexP
 		decoder: regexLineDecoder,
 		opt:     opt,
 		patterns: []*regexp.Regexp{
-			regexp.MustCompile(`^(?P<bucket_owner>[!-~]+) (?P<bucket>[!-~]+) (?P<time>\[[^\]]+\]) (?P<remote_ip>[!-~]+) (?P<requester>[!-~]+) (?P<request_id>[!-~]+) (?P<operation>[!-~]+) (?P<key>[!-~]+) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" (?P<http_status>\d{1,3}) (?P<error_code>[!-~]+) (?P<bytes_sent>[\d\-.]+) (?P<object_size>[\d\-.]+) (?P<total_time>[\d\-.]+) (?P<turn_around_time>[\d\-.]+) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)" (?P<version_id>[!-~]+) (?P<host_id>[!-~]+) (?P<signature_version>[!-~]+) (?P<cipher_suite>[!-~]+) (?P<authentication_type>[!-~]+) (?P<host_header>[!-~]+) (?P<tls_version>[!-~]+) (?P<access_point_arn>[!-~]+) (?P<acl_required>[!-~]+)`),
-			regexp.MustCompile(`^(?P<bucket_owner>[!-~]+) (?P<bucket>[!-~]+) (?P<time>\[[^\]]+\]) (?P<remote_ip>[!-~]+) (?P<requester>[!-~]+) (?P<request_id>[!-~]+) (?P<operation>[!-~]+) (?P<key>[!-~]+) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" (?P<http_status>\d{1,3}) (?P<error_code>[!-~]+) (?P<bytes_sent>[\d\-.]+) (?P<object_size>[\d\-.]+) (?P<total_time>[\d\-.]+) (?P<turn_around_time>[\d\-.]+) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)" (?P<version_id>[!-~]+) (?P<host_id>[!-~]+) (?P<signature_version>[!-~]+) (?P<cipher_suite>[!-~]+) (?P<authentication_type>[!-~]+) (?P<host_header>[!-~]+) (?P<tls_version>[!-~]+) (?P<access_point_arn>[!-~]+)`),
-			regexp.MustCompile(`^(?P<bucket_owner>[!-~]+) (?P<bucket>[!-~]+) (?P<time>\[[^\]]+\]) (?P<remote_ip>[!-~]+) (?P<requester>[!-~]+) (?P<request_id>[!-~]+) (?P<operation>[!-~]+) (?P<key>[!-~]+) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" (?P<http_status>\d{1,3}) (?P<error_code>[!-~]+) (?P<bytes_sent>[\d\-.]+) (?P<object_size>[\d\-.]+) (?P<total_time>[\d\-.]+) (?P<turn_around_time>[\d\-.]+) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)" (?P<version_id>[!-~]+) (?P<host_id>[!-~]+) (?P<signature_version>[!-~]+) (?P<cipher_suite>[!-~]+) (?P<authentication_type>[!-~]+) (?P<host_header>[!-~]+) (?P<tls_version>[!-~]+)`),
-			regexp.MustCompile(`^(?P<bucket_owner>[!-~]+) (?P<bucket>[!-~]+) (?P<time>\[[^\]]+\]) (?P<remote_ip>[!-~]+) (?P<requester>[!-~]+) (?P<request_id>[!-~]+) (?P<operation>[!-~]+) (?P<key>[!-~]+) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" (?P<http_status>\d{1,3}) (?P<error_code>[!-~]+) (?P<bytes_sent>[\d\-.]+) (?P<object_size>[\d\-.]+) (?P<total_time>[\d\-.]+) (?P<turn_around_time>[\d\-.]+) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)" (?P<version_id>[!-~]+) (?P<host_id>[!-~]+) (?P<signature_version>[!-~]+) (?P<cipher_suite>[!-~]+) (?P<authentication_type>[!-~]+) (?P<host_header>[!-~]+)`),
-			regexp.MustCompile(`^(?P<bucket_owner>[!-~]+) (?P<bucket>[!-~]+) (?P<time>\[[^\]]+\]) (?P<remote_ip>[!-~]+) (?P<requester>[!-~]+) (?P<request_id>[!-~]+) (?P<operation>[!-~]+) (?P<key>[!-~]+) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" (?P<http_status>\d{1,3}) (?P<error_code>[!-~]+) (?P<bytes_sent>[\d\-.]+) (?P<object_size>[\d\-.]+) (?P<total_time>[\d\-.]+) (?P<turn_around_time>[\d\-.]+) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)" (?P<version_id>[!-~]+)`),
+			regexp.MustCompile(`^(?P<bucket_owner>[!-~]+) (?P<bucket>[!-~]+) (?P<time>\[[^\]]+\]) (?P<remote_ip>[!-~]+) (?P<requester>[!-~]+) (?P<request_id>[!-~]+) (?P<operation>[!-~]+) (?P<key>[!-~]+) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\" (?P<http_status>\d{1,3}) (?P<error_code>[!-~]+) (?P<bytes_sent>[\d\-.]+) (?P<object_size>[\d\-.]+) (?P<total_time>[\d\-.]+) (?P<turn_around_time>[\d\-.]+) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)" (?P<version_id>[!-~]+) (?P<host_id>[!-~]+) (?P<signature_version>[!-~]+) (?P<cipher_suite>[!-~]+) (?P<authentication_type>[!-~]+) (?P<host_header>[!-~]+) (?P<tls_version>[!-~]+) (?P<access_point_arn>[!-~]+) (?P<acl_required>[!-~]+)`),
+			regexp.MustCompile(`^(?P<bucket_owner>[!-~]+) (?P<bucket>[!-~]+) (?P<time>\[[^\]]+\]) (?P<remote_ip>[!-~]+) (?P<requester>[!-~]+) (?P<request_id>[!-~]+) (?P<operation>[!-~]+) (?P<key>[!-~]+) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\" (?P<http_status>\d{1,3}) (?P<error_code>[!-~]+) (?P<bytes_sent>[\d\-.]+) (?P<object_size>[\d\-.]+) (?P<total_time>[\d\-.]+) (?P<turn_around_time>[\d\-.]+) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)" (?P<version_id>[!-~]+) (?P<host_id>[!-~]+) (?P<signature_version>[!-~]+) (?P<cipher_suite>[!-~]+) (?P<authentication_type>[!-~]+) (?P<host_header>[!-~]+) (?P<tls_version>[!-~]+) (?P<access_point_arn>[!-~]+)`),
+			regexp.MustCompile(`^(?P<bucket_owner>[!-~]+) (?P<bucket>[!-~]+) (?P<time>\[[^\]]+\]) (?P<remote_ip>[!-~]+) (?P<requester>[!-~]+) (?P<request_id>[!-~]+) (?P<operation>[!-~]+) (?P<key>[!-~]+) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\" (?P<http_status>\d{1,3}) (?P<error_code>[!-~]+) (?P<bytes_sent>[\d\-.]+) (?P<object_size>[\d\-.]+) (?P<total_time>[\d\-.]+) (?P<turn_around_time>[\d\-.]+) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)" (?P<version_id>[!-~]+) (?P<host_id>[!-~]+) (?P<signature_version>[!-~]+) (?P<cipher_suite>[!-~]+) (?P<authentication_type>[!-~]+) (?P<host_header>[!-~]+) (?P<tls_version>[!-~]+)`),
+			regexp.MustCompile(`^(?P<bucket_owner>[!-~]+) (?P<bucket>[!-~]+) (?P<time>\[[^\]]+\]) (?P<remote_ip>[!-~]+) (?P<requester>[!-~]+) (?P<request_id>[!-~]+) (?P<operation>[!-~]+) (?P<key>[!-~]+) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\" (?P<http_status>\d{1,3}) (?P<error_code>[!-~]+) (?P<bytes_sent>[\d\-.]+) (?P<object_size>[\d\-.]+) (?P<total_time>[\d\-.]+) (?P<turn_around_time>[\d\-.]+) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)" (?P<version_id>[!-~]+) (?P<host_id>[!-~]+) (?P<signature_version>[!-~]+) (?P<cipher_suite>[!-~]+) (?P<authentication_type>[!-~]+) (?P<host_header>[!-~]+)`),
+			regexp.MustCompile(`^(?P<bucket_owner>[!-~]+) (?P<bucket>[!-~]+) (?P<time>\[[^\]]+\]) (?P<remote_ip>[!-~]+) (?P<requester>[!-~]+) (?P<request_id>[!-~]+) (?P<operation>[!-~]+) (?P<key>[!-~]+) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\" (?P<http_status>\d{1,3}) (?P<error_code>[!-~]+) (?P<bytes_sent>[\d\-.]+) (?P<object_size>[\d\-.]+) (?P<total_time>[\d\-.]+) (?P<turn_around_time>[\d\-.]+) "(?P<referer>[^\"]*)" "(?P<user_agent>[^\"]*)" (?P<version_id>[!-~]+)`),
 		},
 	}
 	if opt.LineHandler == nil {
@@ -190,7 +190,7 @@ func NewALBRegexParser(ctx context.Context, writer io.Writer, opt Option) *Regex
 		decoder: regexLineDecoder,
 		opt:     opt,
 		patterns: []*regexp.Regexp{
-			regexp.MustCompile(`^(?P<type>[!-~]+) (?P<time>[!-~]+) (?P<elb>[!-~]+) (?P<client_port>[!-~]+) (?P<target_port>[!-~]+) (?P<request_processing_time>[\d\-.]+) (?P<target_processing_time>[\d\-.]+) (?P<response_processing_time>[\d\-.]+) (?P<elb_status_code>\d{1,3}|-) (?P<target_status_code>\d{1,3}|-) (?P<received_bytes>[\d\-.]+) (?P<sent_bytes>[\d\-.]+) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" "(?P<user_agent>[^\"]*)" (?P<ssl_cipher>[!-~]+) (?P<ssl_protocol>[!-~]+) (?P<target_group_arn>[!-~]+) "(?P<trace_id>[ -~]+)" "(?P<domain_name>[ -~]+)" "(?P<chosen_cert_arn>[ -~]+)" (?P<matched_rule_priority>[!-~]+) (?P<request_creation_time>[!-~]+) "(?P<actions_executed>[ -~]+)" "(?P<redirect_url>[ -~]+)" "(?P<error_reason>[ -~]+)" "(?P<target_port_list>[ -~]+)" "(?P<target_status_code_list>[ -~]+)" "(?P<classification>[ -~]+)" "(?P<classification_reason>[ -~]+)"`),
+			regexp.MustCompile(`^(?P<type>[!-~]+) (?P<time>[!-~]+) (?P<elb>[!-~]+) (?P<client_port>[!-~]+) (?P<target_port>[!-~]+) (?P<request_processing_time>[\d\-.]+) (?P<target_processing_time>[\d\-.]+) (?P<response_processing_time>[\d\-.]+) (?P<elb_status_code>\d{1,3}|-) (?P<target_status_code>\d{1,3}|-) (?P<received_bytes>[\d\-.]+) (?P<sent_bytes>[\d\-.]+) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-|-)\" "(?P<user_agent>[^\"]*)" (?P<ssl_cipher>[!-~]+) (?P<ssl_protocol>[!-~]+) (?P<target_group_arn>[!-~]+) "(?P<trace_id>[ -~]+)" "(?P<domain_name>[ -~]+)" "(?P<chosen_cert_arn>[ -~]+)" (?P<matched_rule_priority>[!-~]+) (?P<request_creation_time>[!-~]+) "(?P<actions_executed>[ -~]+)" "(?P<redirect_url>[ -~]+)" "(?P<error_reason>[ -~]+)" "(?P<target_port_list>[ -~]+)" "(?P<target_status_code_list>[ -~]+)" "(?P<classification>[ -~]+)" "(?P<classification_reason>[ -~]+)"`),
 		},
 	}
 	if opt.LineHandler == nil {
@@ -226,8 +226,8 @@ func NewCLBRegexParser(ctx context.Context, writer io.Writer, opt Option) *Regex
 		decoder: regexLineDecoder,
 		opt:     opt,
 		patterns: []*regexp.Regexp{
-			regexp.MustCompile(`^(?P<time>[!-~]+) (?P<elb>[!-~]+) (?P<client_port>[!-~]+) (?P<backend_port>[!-~]+) (?P<request_processing_time>[\d\-.]+) (?P<backend_processing_time>[\d\-.]+) (?P<response_processing_time>[\d\-.]+) (?P<elb_status_code>\d{1,3}|-) (?P<backend_status_code>\d{1,3}|-) (?P<received_bytes>[\d\-.]+) (?P<sent_bytes>[\d\-.]+) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\" "(?P<user_agent>[^\"]*)" (?P<ssl_cipher>[!-~]+) (?P<ssl_protocol>[!-~]+)`),
-			regexp.MustCompile(`^(?P<time>[!-~]+) (?P<elb>[!-~]+) (?P<client_port>[!-~]+) (?P<backend_port>[!-~]+) (?P<request_processing_time>[\d\-.]+) (?P<backend_processing_time>[\d\-.]+) (?P<response_processing_time>[\d\-.]+) (?P<elb_status_code>\d{1,3}|-) (?P<backend_status_code>\d{1,3}|-) (?P<received_bytes>[\d\-.]+) (?P<sent_bytes>[\d\-.]+) \"(?P<method>[A-Z]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+)\"`),
+			regexp.MustCompile(`^(?P<time>[!-~]+) (?P<elb>[!-~]+) (?P<client_port>[!-~]+) (?P<backend_port>[!-~]+) (?P<request_processing_time>[\d\-.]+) (?P<backend_processing_time>[\d\-.]+) (?P<response_processing_time>[\d\-.]+) (?P<elb_status_code>\d{1,3}|-) (?P<backend_status_code>\d{1,3}|-) (?P<received_bytes>[\d\-.]+) (?P<sent_bytes>[\d\-.]+) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\" "(?P<user_agent>[^\"]*)" (?P<ssl_cipher>[!-~]+) (?P<ssl_protocol>[!-~]+)`),
+			regexp.MustCompile(`^(?P<time>[!-~]+) (?P<elb>[!-~]+) (?P<client_port>[!-~]+) (?P<backend_port>[!-~]+) (?P<request_processing_time>[\d\-.]+) (?P<backend_processing_time>[\d\-.]+) (?P<response_processing_time>[\d\-.]+) (?P<elb_status_code>\d{1,3}|-) (?P<backend_status_code>\d{1,3}|-) (?P<received_bytes>[\d\-.]+) (?P<sent_bytes>[\d\-.]+) \"(?P<method>[A-Z\-]+) (?P<request_uri>[^ \"]+) (?P<protocol>HTTP/[0-9.]+|-)\"`),
 		},
 	}
 	if opt.LineHandler == nil {