import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "url\\=(?<url>[^ ]*)";
final String string = "rec_type=71 tcp_flags=0 sec_intel_event=No monitor_rule_8=0 client_version=\"\" monitor_rule_7=N/A monitor_rule_4=N/A snmp_out=0 monitor_rule_2=N/A ssl_server_name=\"\" monitor_rule_1=N/A dest_pkts=8 sensor=ipkdol02p last_pkt_sec=1574690104 ssl_flow_error=0 ssl_url_category=0 src_ip=10.140.6.154 ssl_rule_id=0 dns_rec_id=0 src_port=59057 ssl_cert_fingerprint=0000000000000000000000000000000000000000 monitor_rule_6=N/A rec_type_simple=RNA event_desc=\"Flow Statistics\" first_pkt_sec=1574690104 security_context=00000000000000000000000000000000 netflow_src=00000000-0000-0000-0000-000000000000 has_ipv6=1 monitor_rule_5=N/A ssl_actual_action=Unknown src_autonomous_system=0 src_bytes=863 connection_id=40461 event_usec=0 dest_autonomous_system=0 dest_mask=0 monitor_rule_3=N/A dest_ip_country=\"united states\" iface_ingress=vrf client_app=\"SSL client\" user_agent=\"\" ssl_flow_status=Unknown snmp_in=0 file_count=0 dest_ip=216.58.193.142 ssl_ticket_id=0000000000000000000000000000000000000000 dest_tos=0 fw_rule_reason=N/A sinkhole_uuid=00000000-0000-0000-0000-000000000000 fw_policy=00000000-0000-0000-0000-00005dd129e8 sec_intel_ip=N/A ssl_flow_messages=0 ssl_cipher_suite=TLS_NULL_WITH_NULL_NULL http_referrer=\"\" src_mask=0 legacy_ip_address=0.0.0.0 ssl_version=Unknown ssl_flow_flags=0 event_sec=1574693323 dns_query=\"\" url_category=\"Search Engines\" ip_proto=TCP dest_port=443 url=https://fcmatch.google.com ssl_server_cert_status=\"Not Checked\" mac_address=00:00:00:00:00:00 netbios_domain=\"\" dns_ttl=0 src_tos=0 ssl_policy_id=00000000000000000000000000000000 ssl_session_id=0000000000000000000000000000000000000000000000000000000000000000 iface_egress=outside num_ioc=0 referenced_host=\"\" event_type=1003 dest_bytes=4538 dns_resp_id=0 user=\"No Authentication Required\" ip_layer=0 fw_rule=\"Default Action\" fw_rule_action=Allow rec_type_desc=\"Connection Statistics\" ssl_expected_action=Unknown app_proto=HTTPS vlan_id=0 sec_zone_ingress=Internal-ASA sec_zone_egress=External-ASA event_subtype=1 http_response=0 web_app=Google url_reputation=\"Well known\" src_ip_country=unknown src_pkts=8 instance_id=1 ips_count=0\n\n"
+ "rec_type=71 tcp_flags=0 sec_intel_event=No monitor_rule_8=0 client_version=\"\" monitor_rule_7=N/A monitor_rule_4=N/A snmp_out=0 monitor_rule_2=N/A ssl_server_name=\"\" monitor_rule_1=N/A dest_pkts=10 sensor=ipkdol02p last_pkt_sec=1574690104 ssl_flow_error=0 ssl_url_category=0 src_ip=10.140.6.154 ssl_rule_id=0 dns_rec_id=0 src_port=59066 ssl_cert_fingerprint=0000000000000000000000000000000000000000 monitor_rule_6=N/A rec_type_simple=RNA event_desc=\"Flow Statistics\" first_pkt_sec=1574690104 security_context=00000000000000000000000000000000 netflow_src=00000000-0000-0000-0000-000000000000 has_ipv6=1 monitor_rule_5=N/A ssl_actual_action=Unknown src_autonomous_system=0 src_bytes=2750 connection_id=40463 event_usec=0 dest_autonomous_system=0 dest_mask=0 monitor_rule_3=N/A dest_ip_country=\"united states\" iface_ingress=vrf client_app=\"SSL client\" user_agent=\"\" ssl_flow_status=Unknown snmp_in=0 file_count=0 dest_ip=198.8.70.129 ssl_ticket_id=0000000000000000000000000000000000000000 dest_tos=0 fw_rule_reason=N/A sinkhole_uuid=00000000-0000-0000-0000-000000000000 fw_policy=00000000-0000-0000-0000-00005dd129e8 sec_intel_ip=N/A ssl_flow_messages=0 ssl_cipher_suite=TLS_NULL_WITH_NULL_NULL http_referrer=\"\" src_mask=0 legacy_ip_address=0.0.0.0 ssl_version=Unknown ssl_flow_flags=0 event_sec=1574693323 dns_query=\"\" url_category=\"Web Advertisements\" ip_proto=TCP dest_port=443 url=https://p.rfihub.com ssl_server_cert_status=\"Not Checked\" mac_address=00:00:00:00:00:00 netbios_domain=\"\" dns_ttl=0 src_tos=0 ssl_policy_id=00000000000000000000000000000000 ssl_session_id=0000000000000000000000000000000000000000000000000000000000000000 iface_egress=outside num_ioc=0 referenced_host=\"\" event_type=1003 dest_bytes=4843 dns_resp_id=0 user=\"No Authentication Required\" ip_layer=0 fw_rule=\"Default Action\" fw_rule_action=Allow rec_type_desc=\"Connection Statistics\" ssl_expected_action=Unknown app_proto=HTTPS vlan_id=0 sec_zone_ingress=Internal-ASA sec_zone_egress=External-ASA event_subtype=1 http_response=0 web_app=\"Rocket Fuel\" url_reputation=\"Benign sites with security risks\" src_ip_country=unknown src_pkts=11 instance_id=1 ips_count=0";
final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
final Matcher matcher = pattern.matcher(string);
while (matcher.find()) {
System.out.println("Full match: " + matcher.group(0));
for (int i = 1; i <= matcher.groupCount(); i++) {
System.out.println("Group " + i + ": " + matcher.group(i));
}
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html