Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

r"
"
g

Test String

Code Generator

Language

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "(?xs)<tr>[^<]*?<td.*?>(.*?)</.*?\n" + "<td.*?>.*?(?#skip second col)\n" + "<td.*?>(?:<.*?>)+?((?:(?!<).)*)(?:<.*?>)+?</td.*?\n" + "<td.*?>(.*?)</.*?\n" + "id=([0-9]+)"; final String string = "<!DOCTYPE html>\n" + "<html lang=\"en\">\n" + "<head>\n" + " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n\n" + " <link rel=\"apple-touch-icon\" sizes=\"180x180\" href=\"/apple-touch-icon.png\">\n" + " <link rel=\"icon\" type=\"image/png\" sizes=\"32x32\" href=\"/favicon-32x32.png\">\n" + " <link rel=\"icon\" type=\"image/png\" sizes=\"16x16\" href=\"/favicon-16x16.png\">\n" + " <link rel=\"manifest\" href=\"/manifest.json\">\n" + " <link rel=\"mask-icon\" href=\"/safari-pinned-tab.svg\" color=\"#5bbad5\">\n" + " <meta name=\"theme-color\" content=\"#ffffff\">\n\n" + " <link rel=\"stylesheet\" href=\"/vendor/font-awesome/css/font-awesome.min.css?v=1510914902\">\n" + " <link rel=\"stylesheet\" href=\"/vendor/sortable/sortable-theme-bootstrap.css?v=1510914902\">\n" + " <link rel=\"stylesheet\" href=\"/css/pfSense-dark.css?v=1510914901\" />\n\n" + " <title>p2fw06.infra.memority.local - System: Certificate Manager: CAs</title>\n" + " <script type=\"text/javascript\">\n" + " //<![CDATA[\n" + " var events = events || [];\n" + " //]]>\n" + " </script>\n" + "<script type=\"text/javascript\">if (top != self) {top.location.href = self.location.href;}</script><script type=\"text/javascript\">var csrfMagicToken = \"sid:3ad881b442e7edf5ea207f041692c5e0620f9c2f,1544601914\";var csrfMagicName = \"__csrf_magic\";</script><script src=\"/csrf/csrf-magic.js\" type=\"text/javascript\"></script></head>\n\n" + "<body id=\"2\">\n" + "<nav id=\"topmenu\" class=\"navbar navbar-static-top navbar-inverse\">\n" + " <div class=\"container\">\n" + " <div class=\"navbar-header\">\n" + " <button type=\"button\" class=\"navbar-toggle collapsed\" data-toggle=\"collapse\" data-target=\"#pf-navbar\">\n" + " <span class=\"sr-only\">Toggle navigation</span>\n" + " <span class=\"icon-bar\"></span>\n" + " <span class=\"icon-bar\"></span>\n" + " <span class=\"icon-bar\"></span>\n" + " </button>\n" + " <a class=\"navbar-brand\" href=\"/\">\n" + " <svg id=\"logo\" role=\"img\" aria-labelledby=\"pfsense-logo\" x=\"0px\" y=\"0px\" viewBox=\"0 0 282.8 84.2\">\n" + " <title id=\"pfsense-logo-svg\">pfSense Logo</title>\n" + " <path class=\"logo-st0\" d=\"M27.8,57.7c2.9,0,5.4-0.9,7.5-2.6c2.1-1.7,3.6-4,4.4-6.8c0.8-2.8,0.6-5.1-0.5-6.8c-1.1-1.7-3.2-2.6-6.1-2.6 c-2.9,0-5.4,0.9-7.5,2.6c-2.1,1.7-3.5,4-4.3,6.8c-0.8,2.8-0.7,5.1,0.5,6.8C22.8,56.9,24.8,57.7,27.8,57.7\"/>\n" + " <path class=\"logo-st0\" d=\"M115.1,46.6c-1.5-0.8-3-1.4-4.7-1.8c-1.7-0.4-3.2-0.7-4.7-1.1c-1.5-0.3-2.7-0.7-3.6-1.1c-0.9-0.4-1.4-1.1-1.4-2 c0-1.1,0.5-1.9,1.4-2.4c0.9-0.5,1.9-0.7,2.8-0.7c2.8,0,5,1,6.7,3.1l7-7c-1.7-1.8-3.9-3.1-6.4-3.8c-2.5-0.7-5-1.1-7.4-1.1 c-1.9,0-3.9,0.2-5.7,0.7c-1.9,0.5-3.6,1.2-5,2.3c-1.5,1-2.6,2.3-3.5,3.9c-0.9,1.6-1.3,3.5-1.3,5.7c0,2.3,0.5,4.2,1.4,5.6 c0.9,1.4,2.1,2.5,3.6,3.3c1.5,0.8,3,1.3,4.7,1.7c1.7,0.4,3.2,0.7,4.7,1.1c1.5,0.3,2.7,0.7,3.6,1.2c0.9,0.5,1.4,1.2,1.4,2.2 c0,1-0.5,1.7-1.6,2.1c-1.1,0.4-2.3,0.6-3.6,0.6c-1.7,0-3.3-0.3-4.6-1c-1.3-0.7-2.5-1.7-3.6-3l-7,7.7c1.8,1.9,4.1,3.2,6.7,3.9 c2.7,0.7,5.3,1.1,7.9,1.1c2,0,4-0.2,6.1-0.6c2-0.4,3.9-1,5.5-2c1.6-0.9,3-2.2,4-3.8c1-1.6,1.6-3.5,1.6-5.9c0-2.3-0.5-4.2-1.4-5.6 C117.7,48.6,116.5,47.4,115.1,46.6\"/>\n" + " <path class=\"logo-st0\" d=\"M156.3,34.1c-1.5-1.7-3.3-3-5.5-3.9c-2.2-0.9-4.6-1.4-7.2-1.4c-2.9,0-5.6,0.5-8.1,1.4c-2.5,0.9-4.7,2.2-6.6,3.9 c-1.9,1.7-3.3,3.8-4.4,6.2c-1.1,2.4-1.6,5.1-1.6,8c0,3,0.5,5.6,1.6,8c1.1,2.4,2.5,4.5,4.4,6.2c1.9,1.7,4.1,3,6.6,3.9 c2.5,0.9,5.2,1.4,8.1,1.4c3,0,5.9-0.6,8.7-1.9c2.8-1.3,5.1-3.1,7-5.4l-8-5.9c-1,1.3-2.1,2.4-3.4,3.3c-1.3,0.8-2.9,1.3-4.8,1.3 c-2.2,0-4.1-0.7-5.7-2c-1.5-1.3-2.5-3.1-3-5.2H161v-3.6c0-3-0.4-5.6-1.2-8C159,37.9,157.8,35.8,156.3,34.1 M134.3,44.1 c0.1-0.9,0.3-1.8,0.7-2.6c0.4-0.8,0.9-1.6,1.6-2.2c0.7-0.6,1.5-1.2,2.5-1.6c1-0.4,2.1-0.6,3.4-0.6c2.1,0,3.8,0.7,5.1,2.1 c1.3,1.4,2,3,1.9,5H134.3z\"/>\n" + " <path class=\"logo-st0\" d=\"M198.3,33.8c-1-1.6-2.4-2.8-4.2-3.7c-1.8-0.9-4.1-1.3-7-1.3c-1.4,0-2.7,0.2-3.8,0.5c-1.2,0.4-2.2,0.8-3.1,1.4 c-0.9,0.6-1.7,1.2-2.4,1.9c-0.7,0.7-1.2,1.4-1.5,2.1H176v-5.1h-11v37.2h11.5V48.4c0-1.2,0.1-2.4,0.2-3.5c0.2-1.1,0.5-2.1,1-3 c0.5-0.9,1.2-1.6,2.1-2.1c0.9-0.5,2.1-0.8,3.6-0.8c1.5,0,2.6,0.3,3.4,0.9c0.8,0.6,1.4,1.4,1.8,2.4c0.4,1,0.6,2,0.7,3.2 c0.1,1.1,0.1,2.3,0.1,3.3v18.2h11.5V46.4c0-2.5-0.2-4.8-0.5-7C199.9,37.3,199.3,35.4,198.3,33.8\"/>\n" + " <path class=\"logo-st0\" d=\"M231.5,46.6c-1.5-0.8-3-1.4-4.7-1.8c-1.7-0.4-3.2-0.7-4.7-1.1c-1.5-0.3-2.7-0.7-3.6-1.1c-0.9-0.4-1.4-1.1-1.4-2 c0-1.1,0.5-1.9,1.4-2.4c0.9-0.5,1.9-0.7,2.8-0.7c2.8,0,5,1,6.7,3.1l7-7c-1.7-1.8-3.9-3.1-6.4-3.8c-2.5-0.7-5-1.1-7.4-1.1 c-1.9,0-3.9,0.2-5.7,0.7c-1.9,0.5-3.6,1.2-5,2.3c-1.5,1-2.6,2.3-3.5,3.9c-0.9,1.6-1.3,3.5-1.3,5.7c0,2.3,0.5,4.2,1.4,5.6 c0.9,1.4,2.1,2.5,3.6,3.3c1.5,0.8,3,1.3,4.7,1.7c1.7,0.4,3.2,0.7,4.7,1.1c1.5,0.3,2.7,0.7,3.6,1.2c0.9,0.5,1.4,1.2,1.4,2.2 c0,1-0.5,1.7-1.6,2.1c-1.1,0.4-2.3,0.6-3.6,0.6c-1.7,0-3.3-0.3-4.6-1c-1.3-0.7-2.5-1.7-3.6-3l-7,7.7c1.8,1.9,4.1,3.2,6.7,3.9 c2.7,0.7,5.3,1.1,7.9,1.1c2,0,4-0.2,6.1-0.6c2-0.4,3.9-1,5.5-2c1.6-0.9,3-2.2,4-3.8c1-1.6,1.6-3.5,1.6-5.9c0-2.3-0.5-4.2-1.4-5.6 C234.1,48.6,232.9,47.4,231.5,46.6\"/>\n" + " <path class=\"logo-st0\" d=\"M277.4,51.9v-4.2c-0.1-2.7-0.5-5.2-1.2-7.4c-0.8-2.4-2-4.5-3.5-6.2c-1.5-1.7-3.3-3-5.5-3.9 c-2.2-0.9-4.6-1.4-7.2-1.4c-2.9,0-5.6,0.5-8.1,1.4c-2.5,0.9-4.7,2.2-6.6,3.9c-1.9,1.7-3.3,3.8-4.4,6.2c-1.1,2.4-1.6,5.1-1.6,8 c0,3,0.5,5.6,1.6,8c1.1,2.4,2.5,4.5,4.4,6.2c1.9,1.7,4.1,3,6.6,3.9c2.5,0.9,5.2,1.4,8.1,1.4c3,0,5.9-0.6,8.7-1.9 c2.8-1.3,5.1-3.1,7-5.4l-8-5.9c-1,1.3-2.1,2.4-3.4,3.3c-1.3,0.8-2.9,1.3-4.8,1.3c-2.2,0-4.1-0.7-5.7-2c-1.5-1.3-2.5-3.1-3-5.2H277.4 z M250.7,44.1c0.1-0.9,0.3-1.8,0.7-2.6c0.4-0.8,0.9-1.6,1.6-2.2c0.7-0.6,1.5-1.2,2.5-1.6c1-0.4,2.1-0.6,3.4-0.6 c2.1,0,3.8,0.7,5.1,2.1c1.3,1.4,2,3,1.9,5H250.7z\"/>\n" + " <path class=\"logo-st1\" d=\"M52.6,38.9l2.6-9.2h4.6l1.8-6.6c0.6-2,1.3-4,2.2-5.8c0.8-1.8,2-3.4,3.4-4.8c1.4-1.4,3.2-2.5,5.3-3.3 c2.1-0.8,4.8-1.2,7.9-1.2c0.8,0,1.5,0,2.3,0.1c-0.7-2.9-3.3-5-6.3-5.1H11.9c-3.6,0-6.5,3-6.5,6.6V67l10.5-37.3h10.6l-1.4,4.9h0.2 c0.6-0.7,1.4-1.3,2.4-2c1-0.7,2-1.3,3.1-1.9c1.1-0.6,2.3-1,3.6-1.4c1.3-0.4,2.6-0.5,3.9-0.5c2.8,0,5.1,0.5,7.1,1.4 c2,0.9,3.5,2.3,4.7,4c1,1.5,1.6,3.3,1.9,5.4l0.8-0.6H52.6z\"/>\n" + " <path class=\"logo-st2\" d=\"M82.1,17.9c-0.5-0.1-1.1-0.2-1.8-0.2c-1.8,0-3.3,0.4-4.5,1.2c-1.1,0.8-2.1,2.4-2.8,4.9l-1.7,5.9h6.5l1.6,5.1 l-4.2,4.1h-6.5l-7.9,28H49.4l7.9-28h-4.4L52,39.5c0,0.2,0.1,0.5,0.1,0.7c0.2,2.3-0.1,4.9-0.9,7.7c-0.7,2.6-1.8,5.1-3.3,7.5 c-1.5,2.4-3.2,4.5-5.1,6.3c-2,1.8-4.2,3.3-6.6,4.4c-2.4,1.1-4.9,1.6-7.6,1.6c-2.4,0-4.5-0.4-6.4-1.1c-1.9-0.7-3.2-2-4-3.8h-0.2 l-5,17.7h63.3c3.6,0,6.6-2.9,6.6-6.6V18.2C82.6,18.1,82.3,18,82.1,17.9\"/>\n" + " <path class=\"logo-st0\" d=\"M277.6,68.5h0.8c0.4,0,0.6-0.1,0.7-0.2c0.1-0.1,0.2-0.2,0.2-0.4c0-0.1,0-0.2-0.1-0.3c-0.1-0.1-0.1-0.2-0.3-0.2 c-0.1,0-0.3-0.1-0.6-0.1h-0.7V68.5z M277,70.6v-3.8h1.3c0.5,0,0.8,0,1,0.1c0.2,0.1,0.4,0.2,0.5,0.4c0.1,0.2,0.2,0.4,0.2,0.6 c0,0.3-0.1,0.5-0.3,0.7c-0.2,0.2-0.5,0.3-0.8,0.3c0.1,0.1,0.2,0.1,0.3,0.2c0.2,0.2,0.3,0.4,0.6,0.8l0.5,0.7h-0.8l-0.3-0.6 c-0.3-0.5-0.5-0.8-0.6-0.9c-0.1-0.1-0.3-0.1-0.5-0.1h-0.4v1.6H277z M278.6,65.7c-0.5,0-1,0.1-1.5,0.4c-0.5,0.3-0.8,0.6-1.1,1.1 c-0.3,0.5-0.4,1-0.4,1.5c0,0.5,0.1,1,0.4,1.5c0.3,0.5,0.6,0.8,1.1,1.1c0.5,0.3,1,0.4,1.5,0.4c0.5,0,1-0.1,1.5-0.4 c0.5-0.3,0.8-0.6,1.1-1.1c0.3-0.5,0.4-1,0.4-1.5c0-0.5-0.1-1-0.4-1.5c-0.3-0.5-0.6-0.8-1.1-1.1C279.6,65.8,279.1,65.7,278.6,65.7z M278.6,65.1c0.6,0,1.2,0.2,1.8,0.5c0.6,0.3,1,0.7,1.3,1.3c0.3,0.6,0.5,1.2,0.5,1.8c0,0.6-0.2,1.2-0.5,1.8c-0.3,0.6-0.8,1-1.3,1.3 c-0.6,0.3-1.2,0.5-1.8,0.5c-0.6,0-1.2-0.2-1.8-0.5c-0.6-0.3-1-0.8-1.3-1.3c-0.3-0.6-0.5-1.2-0.5-1.8c0-0.6,0.2-1.2,0.5-1.8 c0.3-0.6,0.8-1,1.3-1.3C277.4,65.2,278,65.1,278.6,65.1z\"/>\n" + "</svg> <span style=\"color:white;font-size:.5em;text-transform:uppercase;letter-spacing:1px;\">Community Edition</span>\n" + " </a>\n" + " </div>\n" + " <div class=\"collapse navbar-collapse\" id=\"pf-navbar\">\n" + " <ul class=\"nav navbar-nav\">\n" + " <li class=\"dropdown\">\n" + " <a href=\"#\" class=\"dropdown-toggle\" data-toggle=\"dropdown\" role=\"button\" aria-expanded=\"false\">\n" + " System <span class=\"caret\"></span>\n" + " </a>\n" + " <ul class=\"dropdown-menu\" role=\"menu\"><li><a href=\"/system_advanced_admin.php\" class=\"navlnk\" >Advanced</a></li>\n" + "<li><a href=\"/system_camanager.php\" class=\"navlnk\" >Cert. Manager</a></li>\n" + "<li><a href=\"/system.php\" class=\"navlnk\" >General Setup</a></li>\n" + "<li><a href=\"/system_hasync.php\" class=\"navlnk\" >High Avail. Sync</a></li>\n" + "<li><a href=\"/index.php?logout\" class=\"navlnk\" usepost>Logout (ecristin)</a></li>\n" + "<li><a href=\"/pkg_mgr_installed.php\" class=\"navlnk\" >Package Manager</a></li>\n" + "<li><a href=\"/system_gateways.php\" class=\"navlnk\" >Routing</a></li>\n" + "<li><a href=\"/wizard.php?xml=setup_wizard.xml\" class=\"navlnk\" >Setup Wizard</a></li>\n" + "<li><a href=\"/pkg_mgr_install.php?id=firmware\" class=\"navlnk\" >Update</a></li>\n" + "<li><a href=\"/system_usermanager.php\" class=\"navlnk\" >User Manager</a></li>\n" + "<li><a href=\"/system_user_settings.php\" class=\"navlnk\" >User Settings</a></li>\n" + "</ul>\n" + " </li>\n\n" + " <li class=\"dropdown\">\n" + " <a href=\"#\" class=\"dropdown-toggle\" data-toggle=\"dropdown\" role=\"button\" aria-expanded=\"false\">\n" + " Interfaces <span class=\"caret\"></span>\n" + " </a>\n" + " <ul class=\"dropdown-menu\" role=\"menu\"><li><a href=\"/interfaces_assign.php\" class=\"navlnk\" >Assignments</a></li>\n" + " <li class=\"divider\"></li><li><a href=\"/interfaces.php?if=wan\" class=\"navlnk\" >WAN</a></li>\n" + "<li><a href=\"/interfaces.php?if=lan\" class=\"navlnk\" >ADMIN</a></li>\n" + "<li><a href=\"/interfaces.php?if=opt1\" class=\"navlnk\" >TOOL</a></li>\n" + "</ul>\n" + " </li>\n\n" + " <li class=\"dropdown\">\n" + " <a href=\"#\" class=\"dropdown-toggle\" data-toggle=\"dropdown\" role=\"button\" aria-expanded=\"false\">\n" + " Firewall <span class=\"caret\"></span>\n" + " </a>\n" + " <ul class=\"dropdown-menu\" role=\"menu\"><li><a href=\"/firewall_aliases.php\" class=\"navlnk\" >Aliases</a></li>\n" + "<li><a href=\"/firewall_nat.php\" class=\"navlnk\" >NAT</a></li>\n" + "<li><a href=\"/firewall_rules.php\" class=\"navlnk\" >Rules</a></li>\n" + "<li><a href=\"/firewall_schedule.php\" class=\"navlnk\" >Schedules</a></li>\n" + "<li><a href=\"/firewall_shaper.php\" class=\"navlnk\" >Traffic Shaper</a></li>\n" + "<li><a href=\"/firewall_virtual_ip.php\" class=\"navlnk\" >Virtual IPs</a></li>\n" + "</ul>\n" + " </li>\n\n" + " <li class=\"dropdown\">\n" + " <a href=\"#\" class=\"dropdown-toggle\" data-toggle=\"dropdown\" role=\"button\" aria-expanded=\"false\">\n" + " Services <span class=\"caret\"></span>\n" + " </a>\n" + " <ul class=\"dropdown-menu\" role=\"menu\"><li><a href=\"/services_captiveportal.php\" class=\"navlnk\" >Captive Portal</a></li>\n" + "<li><a href=\"/services_dhcp_relay.php\" class=\"navlnk\" >DHCP Relay</a></li>\n" + "<li><a href=\"/services_dhcp.php\" class=\"navlnk\" >DHCP Server</a></li>\n" + "<li><a href=\"/services_dhcpv6_relay.php\" class=\"navlnk\" >DHCPv6 Relay</a></li>\n" + "<li><a href=\"/services_dhcpv6.php\" class=\"navlnk\" >DHCPv6 Server &amp; RA</a></li>\n" + "<li><a href=\"/services_dnsmasq.php\" class=\"navlnk\" >DNS Forwarder</a></li>\n" + "<li><a href=\"/services_unbound.php\" class=\"navlnk\" >DNS Resolver</a></li>\n" + "<li><a href=\"/services_dyndns.php\" class=\"navlnk\" >Dynamic DNS</a></li>\n" + "<li><a href=\"/services_igmpproxy.php\" class=\"navlnk\" >IGMP Proxy</a></li>\n" + "<li><a href=\"/load_balancer_pool.php\" class=\"navlnk\" >Load Balancer</a></li>\n" + "<li><a href=\"/pkg_edit.php?xml=nrpe.xml&amp;id=0\" class=\"navlnk\" >NRPEv2</a></li>\n" + "<li><a href=\"/services_ntpd.php\" class=\"navlnk\" >NTP</a></li>\n" + "<li><a href=\"/services_pppoe.php\" class=\"navlnk\" >PPPoE Server</a></li>\n" + "<li><a href=\"/services_snmp.php\" class=\"navlnk\" >SNMP</a></li>\n" + "<li><a href=\"/pkg_edit.php?xml=miniupnpd.xml\" class=\"navlnk\" >UPnP &amp; NAT-PMP</a></li>\n" + "<li><a href=\"/services_wol.php\" class=\"navlnk\" >Wake-on-LAN</a></li>\n" + "</ul>\n" + " </li>\n\n" + " <li class=\"dropdown\">\n" + " <a href=\"#\" class=\"dropdown-toggle\" data-toggle=\"dropdown\" role=\"button\" aria-expanded=\"false\">\n" + " VPN <span class=\"caret\"></span>\n" + " </a>\n" + " <ul class=\"dropdown-menu\" role=\"menu\"><li><a href=\"/vpn_ipsec.php\" class=\"navlnk\" >IPsec</a></li>\n" + "<li><a href=\"/vpn_l2tp.php\" class=\"navlnk\" >L2TP</a></li>\n" + "<li><a href=\"/vpn_openvpn_server.php\" class=\"navlnk\" >OpenVPN</a></li>\n" + "</ul>\n" + " </li>\n\n" + " <li class=\"dropdown\">\n" + " <a href=\"#\" class=\"dropdown-toggle\" data-toggle=\"dropdown\" role=\"button\" aria-expanded=\"false\">\n" + " Status <span class=\"caret\"></span>\n" + " </a>\n" + " <ul class=\"dropdown-menu\" role=\"menu\"><li><a href=\"/status_captiveportal.php\" class=\"navlnk\" >Captive Portal</a></li>\n" + "<li><a href=\"/status_carp.php\" class=\"navlnk\" >CARP (failover)</a></li>\n" + "<li><a href=\"/index.php\" class=\"navlnk\" >Dashboard</a></li>\n" + "<li><a href=\"/status_dhcp_leases.php\" class=\"navlnk\" >DHCP Leases</a></li>\n" + "<li><a href=\"/status_dhcpv6_leases.php\" class=\"navlnk\" >DHCPv6 Leases</a></li>\n" + "<li><a href=\"/status_filter_reload.php?user=true\" class=\"navlnk\" >Filter Reload</a></li>\n" + "<li><a href=\"/status_gateways.php\" class=\"navlnk\" >Gateways</a></li>\n" + "<li><a href=\"/status_interfaces.php\" class=\"navlnk\" >Interfaces</a></li>\n" + "<li><a href=\"/status_ipsec.php\" class=\"navlnk\" >IPsec</a></li>\n" + "<li><a href=\"/status_lb_pool.php\" class=\"navlnk\" >Load Balancer</a></li>\n" + "<li><a href=\"/status_monitoring.php\" class=\"navlnk\" >Monitoring</a></li>\n" + "<li><a href=\"/status_ntpd.php\" class=\"navlnk\" >NTP</a></li>\n" + "<li><a href=\"/status_openvpn.php\" class=\"navlnk\" >OpenVPN</a></li>\n" + "<li><a href=\"/status_pkglogs.php\" class=\"navlnk\" >Package Logs</a></li>\n" + "<li><a href=\"/status_queues.php\" class=\"navlnk\" >Queues</a></li>\n" + "<li><a href=\"/status_services.php\" class=\"navlnk\" >Services</a></li>\n" + "<li><a href=\"/status_logs.php\" class=\"navlnk\" >System Logs</a></li>\n" + "<li><a href=\"/status_graph.php?if=wan\" class=\"navlnk\" >Traffic Graph</a></li>\n" + "<li><a href=\"/status_upnp.php\" class=\"navlnk\" >UPnP &amp; NAT-PMP</a></li>\n" + "</ul>\n" + " </li>\n\n" + " <li class=\"dropdown\">\n" + " <a href=\"#\" class=\"dropdown-toggle\" data-toggle=\"dropdown\" role=\"button\" aria-expanded=\"false\">\n" + " Diagnostics <span class=\"caret\"></span>\n" + " </a>\n" + " <ul class=\"dropdown-menu\" role=\"menu\"><li><a href=\"/diag_arp.php\" class=\"navlnk\" >ARP Table</a></li>\n" + "<li><a href=\"/diag_authentication.php\" class=\"navlnk\" >Authentication</a></li>\n" + "<li><a href=\"/diag_backup.php\" class=\"navlnk\" >Backup &amp; Restore</a></li>\n" + "<li><a href=\"/diag_command.php\" class=\"navlnk\" >Command Prompt</a></li>\n" + "<li><a href=\"/diag_dns.php\" class=\"navlnk\" >DNS Lookup</a></li>\n" + "<li><a href=\"/diag_edit.php\" class=\"navlnk\" >Edit File</a></li>\n" + "<li><a href=\"/diag_defaults.php\" class=\"navlnk\" >Factory Defaults</a></li>\n" + "<li><a href=\"/diag_halt.php\" class=\"navlnk\" >Halt System</a></li>\n" + "<li><a href=\"/diag_limiter_info.php\" class=\"navlnk\" >Limiter Info</a></li>\n" + "<li><a href=\"/diag_ndp.php\" class=\"navlnk\" >NDP Table</a></li>\n" + "<li><a href=\"/diag_packet_capture.php\" class=\"navlnk\" >Packet Capture</a></li>\n" + "<li><a href=\"/diag_pf_info.php\" class=\"navlnk\" >pfInfo</a></li>\n" + "<li><a href=\"/diag_pftop.php\" class=\"navlnk\" >pfTop</a></li>\n" + "<li><a href=\"/diag_ping.php\" class=\"navlnk\" >Ping</a></li>\n" + "<li><a href=\"/diag_reboot.php\" class=\"navlnk\" >Reboot</a></li>\n" + "<li><a href=\"/diag_routes.php\" class=\"navlnk\" >Routes</a></li>\n" + "<li><a href=\"/diag_smart.php\" class=\"navlnk\" >S.M.A.R.T. Status</a></li>\n" + "<li><a href=\"/diag_sockets.php\" class=\"navlnk\" >Sockets</a></li>\n" + "<li><a href=\"/diag_dump_states.php\" class=\"navlnk\" >States</a></li>\n" + "<li><a href=\"/diag_states_summary.php\" class=\"navlnk\" >States Summary</a></li>\n" + "<li><a href=\"/diag_system_activity.php\" class=\"navlnk\" >System Activity</a></li>\n" + "<li><a href=\"/diag_tables.php\" class=\"navlnk\" >Tables</a></li>\n" + "<li><a href=\"/diag_testport.php\" class=\"navlnk\" >Test Port</a></li>\n" + "<li><a href=\"/diag_traceroute.php\" class=\"navlnk\" >Traceroute</a></li>\n" + "</ul>\n" + " </li>\n\n" + " <li class=\"dropdown\">\n" + " <a href=\"#\" class=\"dropdown-toggle\" data-toggle=\"dropdown\" role=\"button\" aria-expanded=\"false\">\n" + " Help <span class=\"caret\"></span>\n" + " </a>\n" + " <ul class=\"dropdown-menu\" role=\"menu\"><li><a href=\"/help.php?page=system_camanager.php\" target=\"_blank\" class=\"navlnk\" >About this Page</a></li>\n" + "<li><a href=\"https://www.pfsense.org/j.php?jumpto=redmine\" target=\"_blank\" class=\"navlnk\" >Bug Database</a></li>\n" + "<li><a href=\"https://www.pfsense.org/j.php?jumpto=doc\" target=\"_blank\" class=\"navlnk\" >Documentation</a></li>\n" + "<li><a href=\"https://www.pfsense.org/j.php?jumpto=fbsdhandbook\" target=\"_blank\" class=\"navlnk\" >FreeBSD Handbook</a></li>\n" + "<li><a href=\"https://www.netgate.com/support\" target=\"_blank\" class=\"navlnk\" >Paid Support</a></li>\n" + "<li><a href=\"https://www.pfsense.org/j.php?jumpto=book\" target=\"_blank\" class=\"navlnk\" >pfSense Book</a></li>\n" + "<li><a href=\"https://www.pfsense.org/j.php?jumpto=forum\" target=\"_blank\" class=\"navlnk\" >User Forum</a></li>\n" + "</ul>\n" + " </li>\n\n" + " </ul>\n" + " <ul class=\"nav navbar-nav navbar-right\">\n" + " <li class=\"dropdown\">\n" + " <a href=\"/index.php?logout\" usepost>\n" + " <i class=\"fa fa-sign-out\" title=\"Logout (ecristin@p2fw06.infra.memority.local)\"></i>\n" + " </a>\n" + " </li>\n" + " </ul>\n" + " </div>\n" + " </div>\n" + "</nav>\n\n" + "<div class=\"container static\" >\n" + " <header class=\"header\">\n\n" + "<ol class=\"breadcrumb\"><li>System</li><li><a href=\"/system_camanager.php\">Certificate Manager</a></li><li><a href=\"/system_camanager.php\">CAs</a></li></ol> <ul class=\"context-links\">\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " <li>\n" + " <a href=\"/help.php?page=system_camanager.php\" target=\"_blank\" title=\"Help for items on this page\">\n" + " <i class=\"fa fa-question-circle\"></i>\n" + " </a>\n" + " </li>\n" + " </ul>\n" + " </header>\n" + "<ul class=\"nav nav-pills\"><li role=\"presentation\" class=\"active\"><a href=\"system_camanager.php\" >CAs</a></li><li role=\"presentation\"><a href=\"system_certmanager.php\" >Certificates</a></li><li role=\"presentation\"><a href=\"system_crlmanager.php\" >Certificate Revocation</a></li></ul><div class=\"panel panel-default\">\n" + " <div class=\"panel-heading\"><h2 class=\"panel-title\">Certificate Authorities</h2></div>\n" + " <div class=\"panel-body\">\n" + " <div class=\"table-responsive\">\n" + " <table class=\"table table-striped table-hover table-rowdblclickedit\">\n" + " <thead>\n" + " <tr>\n" + " <th>Name</th>\n" + " <th>Internal</th>\n" + " <th>Issuer</th>\n" + " <th>Certificates</th>\n" + " <th>Distinguished Name</th>\n" + " <th>In Use</th>\n" + " <th>Actions</th>\n" + " </tr>\n" + " </thead>\n" + " <tbody>\n" + " <tr>\n" + " <td>Memority Root CA</td>\n" + " <td><i class=\"fa fa-check\"></i></td>\n" + " <td><i>self-signed</i></td>\n" + " <td>1</td>\n" + " <td>\n" + " emailAddress=memority-infra@arismore.fr, ST=Ile-de-France, O=Memority, L=Saint-Cloud, CN=memority-ca, C=FR <br />\n" + " <small>\n" + " Valid From: <b>Thu, 18 Aug 2016 16:48:17 +0200</b><br />Valid Until: <b>Sun, 16 Aug 2026 16:48:17 +0200</b>\n" + " </small>\n" + " </td>\n" + " <td class=\"text-nowrap\">\n" + " </td>\n" + " <td class=\"text-nowrap\">\n" + " <a class=\"fa fa-pencil\" title=\"Edit CA\" href=\"system_camanager.php?act=edit&amp;id=0\"></a>\n" + " <a class=\"fa fa-certificate\" title=\"Export CA\" href=\"system_camanager.php?act=exp&amp;id=0\"></a>\n" + " <a class=\"fa fa-key\" title=\"Export key\" href=\"system_camanager.php?act=expkey&amp;id=0\"></a>\n" + " <a class=\"fa fa-trash\" title=\"Delete CA and its CRLs\" href=\"system_camanager.php?act=del&amp;id=0\" usepost ></a>\n" + " </td>\n" + " </tr>\n" + " <tr>\n" + " <td>Memority Tool Users CA</td>\n" + " <td><i class=\"fa fa-check\"></i></td>\n" + " <td><i>Memority Root CA</i></td>\n" + " <td>22</td>\n" + " <td>\n" + " emailAddress=ops-memority@accenture.com, ST=Ile_de_France, OU=tool_zone, O=Memority, L=Saint-Cloud, CN=memority-tool-users-ca, C=FR <br />\n" + " <small>\n" + " Valid From: <b>Tue, 06 Mar 2018 11:07:12 +0100</b><br />Valid Until: <b>Fri, 03 Mar 2028 11:07:12 +0100</b>\n" + " </small>\n" + " </td>\n" + " <td class=\"text-nowrap\">\n" + " OpenVPN Server<br/>\n" + " </td>\n" + " <td class=\"text-nowrap\">\n" + " <a class=\"fa fa-pencil\" title=\"Edit CA\" href=\"system_camanager.php?act=edit&amp;id=1\"></a>\n" + " <a class=\"fa fa-certificate\" title=\"Export CA\" href=\"system_camanager.php?act=exp&amp;id=1\"></a>\n" + " <a class=\"fa fa-key\" title=\"Export key\" href=\"system_camanager.php?act=expkey&amp;id=1\"></a>\n" + " </td>\n" + " </tr>\n" + " </tbody>\n" + " </table>\n" + " </div>\n" + " </div>\n" + "</div>\n\n" + "<nav class=\"action-buttons\">\n" + " <a href=\"?act=new\" class=\"btn btn-success btn-sm\">\n" + " <i class=\"fa fa-plus icon-embed-btn\"></i>\n" + " Add </a>\n" + "</nav>\n" + " </div>\n" + " <footer class=\"footer\">\n" + " <div class=\"container\">\n" + " <p class=\"text-muted\">\n" + " <a id=\"tpl\" style=\"display: none;\" href=\"#\" title=\"Top of page\"><i class=\"fa fa-caret-square-o-up pull-left\"></i></a>\n" + " <a target=\"_blank\" href=\"https://www.pfsense.org/?gui=bootstrap\">pfSense</a> is &copy;\n" + " 2004 - 2018 by <a href=\"https://pfsense.org/license\" class=\"tblnk\">Rubicon Communications, LLC (Netgate)</a>. All Rights Reserved.\n" + " [<a href=\"/license.php\" class=\"tblnk\">view license</a>]\n" + " <a id=\"tpr\" style=\"display: none;\" href=\"#\" title=\"Top of page\"><i class=\"fa fa-caret-square-o-up pull-right\"></i></a>\n" + " </p>\n" + " </div>\n" + " </footer>\n\n" + " <!-- This use of filemtime() is intended to fool the browser into reloading the file (not using the cached version) if the file is changed -->\n\n" + " <script src=\"/vendor/jquery/jquery-1.12.0.min.js?v=1510914902\"></script>\n" + " <script src=\"/vendor/jquery/jquery-ui-1.11.4.min.js?v=1510914902\"></script>\n" + " <script src=\"/vendor/bootstrap/js/bootstrap.min.js?v=1510914902\"></script>\n" + " <script src=\"/js/pfSense.js?v=1513000593\"></script>\n" + " <script src=\"/js/pfSenseHelpers.js?v=1510914901\"></script>\n" + " <script src=\"/js/polyfills.js?v=1510914901\"></script>\n" + " <script src=\"/vendor/sortable/sortable.js?v=1510914902\"></script>\n\n" + " <script type=\"text/javascript\">\n" + " //<![CDATA[\n" + " // Un-hide the \"Top of page\" icons if the page is larger than the window\n" + " if ($(document).height() > $(window).height()) {\n" + " $('[id^=tp]').show();\n" + " }\n" + " //]]>\n" + " </script>\n" + "<script type=\"text/javascript\">CsrfMagic.end();</script></body>\n" + "</html>\n"; final Pattern pattern = Pattern.compile(regex); 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