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

/
/
gm

Test String

Code Generator

Language

Generated Code

// include the latest version of the regex crate in your Cargo.toml extern crate regex; use regex::Regex; fn main() { let regex = Regex::new(r#"(?m)(?P<date>\w{3}\s+\d{1,2}\s\d\d:\d\d:\d\d)\s+(?P<device>\S+)\s+(?:[^:]+:\s)@@(?P<sid_number>\d+),(?P<sid>[^,]+),(?:"zoneUUID"="(?P<zone_uuid>[^"]+)",|"apMac"="(?P<ap_mac>[^"]+)",|"clientMac"="(?P<client_mac>[^"]+)",|"bssid"="(?P<bssid>[^"]+)",|"userId"="(?P<user_id>[^"]*)",|"wlanId"="(?P<wlanId>\d+)",|"iface"="(?P<iface>\S+)",|"tenantUUID"="(?P<tenantUUID>\S+)"|"apName"="(?P<ap_name>[^"]+)",|"rogueMac"="(?P<rogue_mac>[^"]+)",|"ssid"="(?P<ssid>[^"]*)",|"wlanId"="(?P<wlan_id>[^"]+)",|"radio"="(?P<radio>[^"]+)",|"channel"="(?P<channel>[^"]+)",|"timestamp"="(?P<timestamp>\d{10})[^"]*",|"apLocation"="(?P<ap_location>[^"]+)",?|"timeZone"="(?P<time_zone>[^"]+)",|"zoneName"="(?P<zone_name>[^"]+)",?|"reason"="(?P<reason>[^"]+)",|"fwVersion"="(?P<fwVersion>[^"]+)",|"model"="(?P<model>[^"]+)",|"nodeName"="(?P<node_name>[^"]+)",|"licenseServerName"="(?P<licenseServerName>[^"]+)",?)+""#).unwrap(); let string = "Nov 26 19:09:07 vsz01 Core: @@205,clientInactivityTimeout,\"apMac\"=\"90:3a:72:2f:10:70\",\"clientMac\"=\"00:34:da:1d:7f:83\",\"ssid\"=\"DIGITROL COLABORADORES\",\"bssid\"=\"90:3a:72:af:10:7c\",\"userId\"=\"fgfhf\",\"wlanId\"=\"14\",\"iface\"=\"wlan34\",\"tenantUUID\"=\"839f87c6-d116-497e-afce-aa8157abd30c\",\"apName\"=\"DIGITROL AP R310-18329\",\"clientIP\"=\"192.168.25.62\",\"userName\"=\"0034da1d7f83\",\"vlanId\"=\"1\",\"radio\"=\"a/n/ac\",\"encryption\"=\"WPA2-AES\",\"osType\"=\"Android\",\"hostname\"=\"android-6d4a9dbc81fecfcf\",\"firstAuth\"=\"1543259331\",\"associationTime\"=\"1543252166\",\"ipAssignTime\"=\"1543259332\",\"disconnectTime\"=\"1543259346\",\"sessionDuration\"=\"15\",\"disconnectReason\"=\"4\",\"rxFrames\"=\"26\",\"rxBytes\"=\"3551\",\"txFrames\"=\"54\",\"txBytes\"=\"5738\",\"peakRx\"=\"3551\",\"peakTx\"=\"5738\",\"rssi\"=\"12\",\"receivedSignalStrength\"=\"-93\",\"Instantaneous rssi\"=\"0\",\"Xput\"=\"0\",\"fwVersion\"=\"3.6.1.0.354\",\"model\"=\"R310\",\"wlanGroupUUID\"=\"3ab644a3-7eee-11e8-b12e-000000939903\",\"zoneUUID\"=\"2babcf8c-ab2a-4283-aedc-3ac00c525734\",\"zoneName\"=\"Digitrol\",\"timeZone\"=\"BRT+3BRST,M10.3.0/00:00,M2.3.0/00:00\",\"apLocation\"=\"\",\"apGps\"=\"\",\"apIpAddress\"=\"192.168.25.8\",\"apIpv6Address\"=\"\",\"apGroupUUID\"=\"1bc2200a-2251-4a04-a7db-0f888e3fa776\",\"domainId\"=\"1f90466b-4b53-4b19-b0ed-47c8778f269c\",\"idealEventVersion\"=\"3.5.0\",\"apDescription\"=\"\""; // result will be an iterator over tuples containing the start and end indices for each match in the string let result = regex.captures_iter(string); for mat in result { println!("{:?}", mat); } }

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 Rust, please visit: https://docs.rs/regex/latest/regex/