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

/
/
gm

Test String

Code Generator

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) "name": "(.+)",(.*)|"endpoint": "(.*\..*)","#).unwrap(); let string = " \"name\": \"Arkane Network\", \"endpoint\": \"app.arkane.network \", \"endpoint\": \"connect.arkane.network \", \"endpoint\": \"login.arkane.network\", \"name\": \"Bpost2\", \"endpoint\": \"*.bpost2.be\", \"name\": \"Brussels Airlines\", \"endpoint\": \"bprofile.brusselsairlines.com\", \"endpoint\": \"www.brusselsairlines.com\", \"name\": \"De Morgen\", \"endpoint\": \"*.demorgen.be\", \"endpoint\": \"abonnement.demorgen.be\", \"endpoint\": \"login2.demorgen.be\", \"endpoint\": \"myaccount.demorgen.be\", \"endpoint\": \"shop.demorgen.be\", \"endpoint\": \"www.demorgen.be\", \"name\": \"Delen Private Bank\", \"endpoint\": \"api.digital.delen.be \", \"endpoint\": \"api.digital.delen.lu \", \"endpoint\": \"app.delen.be \", \"endpoint\": \"app.delen.ch \", \"endpoint\": \"app.delen.lu \", \"endpoint\": \"auth.digital.delen.be \", \"endpoint\": \"auth.digital.delen.lu \", \"endpoint\": \"be.delen.digital\", \"endpoint\": \"login.delen.be \", \"endpoint\": \"login.delen.ch \", \"endpoint\": \"login.delen.lu \", \"endpoint\": \"login.oyens.com\", \"endpoint\": \"status.delen.be \", \"endpoint\": \"sts.delen.be \", \"endpoint\": \"www.cadelam.be \", \"endpoint\": \"www.cadelux.lu/en \", \"endpoint\": \"www.delen.be/en \", \"name\": \"EURid\", \"endpoint\": \"*.das.eu\", \"endpoint\": \"*.dns.eu\", \"endpoint\": \"*.eurid.eu\", \"endpoint\": \"*.nic.eu\", \"endpoint\": \"*.registry.eu\", \"endpoint\": \"*.whois.eu\", \"name\": \"GULP\", \"endpoint\": \"www.gulp-shop.de\", \"endpoint\": \"*.gulp.ch\", \"endpoint\": \"*.gulp.de\", \"endpoint\": \"demo.tendertracker.de\", \"name\": \"Hardware Info\", \"endpoint\": \" *.hardware.info \", \"endpoint\": \"*.hwigroup.com\", \"endpoint\": \"*.hwigroup.net \", \"name\": \"Hoplr\", \"endpoint\": \"www.hoplr.com\", \"endpoint\": \"*.hoplr.*\", \"endpoint\": \"com.hoplr\", \"name\": \"IAM KU Leuven\", \"endpoint\": \" account.kuleuven.be\", \"endpoint\": \" idp.kuleuven.be\", \"name\": \"Jooki\", \"endpoint\": \"*.jooki.rocks\", \"endpoint\": \"*.muuselabs.com\", \"endpoint\": \"my.jooki.rocks\", \"name\": \"KU Leuven - www.kuleuven.be\", \"endpoint\": \"www.kuleuven.be/english/\", \"endpoint\": \"www.kuleuven.be\", \"name\": \"Monster Worldwide\", \"endpoint\": \"*.military.com\", \"endpoint\": \"*.monster.at\", \"endpoint\": \"*.monster.be\", \"endpoint\": \"*.monster.ca\", \"endpoint\": \"*.monster.ch\", \"endpoint\": \"*.monster.co.uk\", \"endpoint\": \"*.monster.com\", \"endpoint\": \"*.monster.cz\", \"endpoint\": \"*.monster.de\", \"endpoint\": \"*.monster.dk\", \"endpoint\": \"*.monster.es\", \"endpoint\": \"*.monster.eu\", \"endpoint\": \"*.monster.fi\", \"endpoint\": \"*.monster.fr\", \"endpoint\": \"*.monster.hu\", \"endpoint\": \"*.monster.ie\", \"endpoint\": \"*.monster.it\", \"endpoint\": \"*.monster.lu\", \"endpoint\": \"*.monster.no\", \"endpoint\": \"*.monster.pt\", \"endpoint\": \"*.monster.se\", \"endpoint\": \"*.monsterboard.nl\", \"endpoint\": \"*.monsterpolska.pl\", \"name\": \"Nexuzhealth\", \"endpoint\": \"mobile.nexuzhealth.be\", \"endpoint\": \"mynexuz.be\", \"endpoint\": \"mynexuz.be/myUZ/\", \"endpoint\": \"www.nexuzhealth.be/en\", \"name\": \"Nexuzhealth Web PACS\", \"endpoint\": \" idp-contact.nexuzhealth.be\", \"endpoint\": \"media.nexuzhealth.be/patient/ \", \"name\": \"Online enrollment for students\", \"endpoint\": \"https://associatie.kuleuven.be/inschrijvingen/oli_login_50000050\", \"endpoint\": \"https://webwsp.aps.kuleuven.be/sap/bc/ui5_ui5/sap/zc_oi_appl/\", \"name\": \"Phished\", \"endpoint\": \"*.phished.be\", \"name\": \"Port of Antwerp\", \"endpoint\": \"*.c-point.be\", \"endpoint\": \"*.portofantwerp.com\", \"name\": \"Randstad\", \"endpoint\": \"*.randstadrisesmart.*\", \"endpoint\": \"*.risesmart.*\", \"endpoint\": \"*.randstad.*\", , \"name\": \"Red Bull\", \"endpoint\": \"*.redbull.com\", \"name\": \"Sentiance\", \"endpoint\": \"*.sentiance.com\", \"endpoint\": \"docs.sentiance.com\", \"name\": \"Speakap Responsible Disclosure\", \"endpoint\": \"*.speakap.com\", \"endpoint\": \"*.speakap.io\", \"name\": \"Suivo\", \"endpoint\": \" aweb.suivo.com\", \"endpoint\": \"asupport.suivo.com\", \"name\": \"Telenet - Base \", \"endpoint\": \"https://www2.telenet.be/nl/landing-pages/safespot\", \"endpoint\": \"*.9lives.be\", \"endpoint\": \"*.base.be\", \"endpoint\": \"*.telenet.be\", \"endpoint\": \"*.telenethotspot.be \", \"endpoint\": \"*.yelo.be\", \"endpoint\": \"*.yeloplay.be\", \"name\": \"Tempo-Team \", \"endpoint\": \"www.tempo-team.com\", \"endpoint\": \"www.tempo-team.nl\", \"endpoint\": \"www.tempo-team.be\", \"endpoint\": \"*.tempo-team.*\", \"name\": \"Tomorrowland\", \"endpoint\": \"artists.tomorrowland.com/production-website/33117\", \"endpoint\": \"cognito-idp.eu-west-1.amazonaws.com\", \"endpoint\": \"globaljourney.tomorrowland.com\", \"endpoint\": \"mdm.weareone.world\", \"endpoint\": \"my.tomorrowland.com\", \"endpoint\": \"oneworldradio.tomorrowland.com\", \"endpoint\": \"sp1y1tpaf1.execute-api.eu-west-1.amazonaws.com\", \"endpoint\": \"winterpackages.tomorrowland.com\", \"endpoint\": \"www.tomorrowland.com\", \"name\": \"Torfs\", \"endpoint\": \"winkels.torfs.be\", \"endpoint\": \"www.schoenentorfs.be\", \"endpoint\": \"www.schoenentorfs.nl \", \"endpoint\": \"www.torfs.be\", \"endpoint\": \"www.torfs.nl\", \"endpoint\": \"www.samenfittorfs.be\", \"endpoint\": \"www.sterkinjeschoenen.be\", \"endpoint\": \"www.torfssuppliers.be\", \"name\": \"Trouw\", \"endpoint\": \"*.trouw.nl\", \"endpoint\": \"abonnement.trouw.nl\", \"endpoint\": \"login2.trouw.nl\", \"endpoint\": \"myaccount.trouw.nl\", \"endpoint\": \"shop.trouw.nl\", \"endpoint\": \"webwinkel.trouw.nl\", \"endpoint\": \"www.trouw.nl\", \"name\": \"Twago\", \"endpoint\": \"*.twago.fr\", \"endpoint\": \"*.twago.it\", \"endpoint\": \"*.twago.com\", \"endpoint\": \"*.twago.de\", \"endpoint\": \"*.twago.es\", \"name\": \"Tweakers\", \"endpoint\": \"*.tweakblogs.net\", \"endpoint\": \"*.tweakers.net\", \"endpoint\": \"*.tweakimg.net\", \"name\": \"UZ Leuven\", \"endpoint\": \"www.uzleuven.be/en\", \"name\": \"VRT\", \"endpoint\": \"*.canvas.be\", \"endpoint\": \"*.dewarmsteweek.be\", \"endpoint\": \"*.een.be\", \"endpoint\": \"*.ketnet.be\", \"endpoint\": \"*.klara.be\", \"endpoint\": \"*.mnm.be\", \"endpoint\": \"*.radio1.be\", \"endpoint\": \"*.radio2.be\", \"endpoint\": \"*.sporza.be\", \"endpoint\": \"*.stubru.be\", \"endpoint\": \"*.vrt.be\", \"endpoint\": \"be.vrt.ketnet.ketnet\", \"name\": \"VTM GO\", \"endpoint\": \"login2.vtm.be\", \"endpoint\": \"myaccount.vtm.be\", \"endpoint\": \"vtm.be/vtmgo\", \"endpoint\": \"vtmgo.be\", \"endpoint\": \"*.vtm.be\", \"endpoint\": \"*.vtmgo.be\", \"name\": \"eHealth Hub VZN KUL\", \"endpoint\": \"hub.vznkul.be/services/intrahub/IntraHubService\", \"endpoint\": \"hub.vznkul.be/services/interhub/InterHubService\", \"endpoint\": \"hubacc.vznkul.be/services/acceptance/intrahub/IntraHubService\", \"endpoint\": \"hubacc.vznkul.be/services/acceptance/interhub/InterHubService\", \"endpoint\": \"hub.vznkul.be/* \", \"endpoint\": \"hubacc.vznkul.be/*\", \"name\": \"iBOOD.com\", \"endpoint\": \"www.ibood.com\", \"name\": \"intigriti\", \"endpoint\": \"*.intigriti.com\", \"endpoint\": \"*.intigriti.io\", \"endpoint\": \"*.intigriti.me\", \"name\": \"itsme\", \"endpoint\": \"mobileapp.itsme.be\", \"endpoint\": \"business.itsme.be/en/\", \"endpoint\": \"confluence.belgianmobileid.be\", \"endpoint\": \"crowd.belgianmobileid.be\", \"endpoint\": \"jira.belgianmobileid.be\", \"endpoint\": \"merchant.itsme.be\", \"endpoint\": \"my.itsme.be\", \"endpoint\": \"www.belgianmobileid.be/en/\", \"endpoint\": \"www.itsme.be/en/\", "; // 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/