Regular Expressions 101

Save & Share

Flavor

  • PCRE2 (PHP >=7.3)
  • PCRE (PHP <7.3)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java 8
  • .NET 7.0 (C#)
  • Rust
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests

Tools

Sponsors
There are currently no sponsors. Become a sponsor today!
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

/
/
msg

Test String

Code Generator

Language

Generated Code

# coding=utf8 # the above tag defines encoding for this document and is for Python 2.x compatibility import re regex = r"(^-----BEGIN CERTIFICATE-----.*?-----END CERTIFICATE-----)$" test_str = ("CONNECTED(000001E4)\n" "---\n" "Certificate chain\n" " 0 s:/C=US/ST=California/L=Mountain View/O=Google Inc/CN=google.com\n" " i:/C=US/O=Google Inc/CN=Google Internet Authority G2\n" "-----BEGIN CERTIFICATE-----\n" "MIIf0jCCHrqgAwIBAgIIGZoxm9FoLX0wDQYJKoZIhvcNAQELBQAwSTELMAkGA1UE\n" "BhMCVVMxEzARBgNVBAoTCkdvb2dsZSBJbmMxJTAjBgNVBAMTHEdvb2dsZSBJbnRl\n" "cm5ldCBBdXRob3JpdHkgRzIwHhcNMTUwODEyMTUxMTExWhcNMTUxMTEwMDAwMDAw\n" "WjBkMQswCQYDVQQGEwJVUzETMBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwN\n" "TW91bnRhaW4gVmlldzETMBEGA1UECgwKR29vZ2xlIEluYzETMBEGA1UEAwwKZ29v\n" "Z2xlLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALpjSPhP5nwn\n" "VIHIruTW2NjRtqIadKQCyDzDrWD982PtaU4FRvkgFwhTo6VOvJ3oWZqIBlC4NT9+\n" "lwKjVDoUNE2Jevl5+pOiBdPlzVfcxG5sywAn07K8WYJSh58olAJZnxKRRBeKZDTB\n" "FtFPci2CAHGN69aN6YfLjB48BHTzSkpFY6wwCDvab7uuR8Ms3Hls8BU6rMt4Ju+y\n" "V7EULMo0RXD3d4qY4dFreLpnEYaJCSzyYCLdMJB3VoVMb4sOVlfsRE/kQaK5TcIx\n" "GYNmHvNJ0IdrFZ/hcSuI/52nfPw/jrMindhz7fTKmgrveCTFyXx/c8ipUdU6wQt7\n" "wGeQYGyfAVUCAwEAAaOCHKEwghydMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF\n" "BQcDAjCCG3cGA1UdEQSCG24wghtqggpnb29nbGUuY29tggoqLjJtZG4ubmV0gg0q\n" "LmFuZHJvaWQuY29tghYqLmFwcGVuZ2luZS5nb29nbGUuY29tghQqLmF1LmRvdWJs\n" "ZWNsaWNrLm5ldIILKi5jYy1kdC5jb22CEiouY2xvdWQuZ29vZ2xlLmNvbYIUKi5k\n" "ZS5kb3VibGVjbGljay5uZXSCESouZG91YmxlY2xpY2suY29tghEqLmRvdWJsZWNs\n" "aWNrLm5ldIIVKi5mbHMuZG91YmxlY2xpY2submV0ghQqLmZyLmRvdWJsZWNsaWNr\n" "Lm5ldIIWKi5nb29nbGUtYW5hbHl0aWNzLmNvbYILKi5nb29nbGUuYWOCCyouZ29v\n" "Z2xlLmFkggsqLmdvb2dsZS5hZYILKi5nb29nbGUuYWaCCyouZ29vZ2xlLmFnggsq\n" "Lmdvb2dsZS5hbIILKi5nb29nbGUuYW2CCyouZ29vZ2xlLmFzggsqLmdvb2dsZS5h\n" "dIILKi5nb29nbGUuYXqCCyouZ29vZ2xlLmJhggsqLmdvb2dsZS5iZYILKi5nb29n\n" "bGUuYmaCCyouZ29vZ2xlLmJnggsqLmdvb2dsZS5iaYILKi5nb29nbGUuYmqCCyou\n" "Z29vZ2xlLmJzggsqLmdvb2dsZS5idIILKi5nb29nbGUuYnmCCyouZ29vZ2xlLmNh\n" "ggwqLmdvb2dsZS5jYXSCCyouZ29vZ2xlLmNjggsqLmdvb2dsZS5jZIILKi5nb29n\n" "bGUuY2aCCyouZ29vZ2xlLmNnggsqLmdvb2dsZS5jaIILKi5nb29nbGUuY2mCCyou\n" "Z29vZ2xlLmNsggsqLmdvb2dsZS5jbYILKi5nb29nbGUuY26CDiouZ29vZ2xlLmNv\n" "LmFvgg4qLmdvb2dsZS5jby5id4IOKi5nb29nbGUuY28uY2uCDiouZ29vZ2xlLmNv\n" "LmNygg4qLmdvb2dsZS5jby5odYIOKi5nb29nbGUuY28uaWSCDiouZ29vZ2xlLmNv\n" "Lmlsgg4qLmdvb2dsZS5jby5pbYIOKi5nb29nbGUuY28uaW6CDiouZ29vZ2xlLmNv\n" "Lmplgg4qLmdvb2dsZS5jby5qcIIOKi5nb29nbGUuY28ua2WCDiouZ29vZ2xlLmNv\n" "Lmtygg4qLmdvb2dsZS5jby5sc4IOKi5nb29nbGUuY28ubWGCDiouZ29vZ2xlLmNv\n" "Lm16gg4qLmdvb2dsZS5jby5ueoIOKi5nb29nbGUuY28udGiCDiouZ29vZ2xlLmNv\n" "LnR6gg4qLmdvb2dsZS5jby51Z4IOKi5nb29nbGUuY28udWuCDiouZ29vZ2xlLmNv\n" "LnV6gg4qLmdvb2dsZS5jby52ZYIOKi5nb29nbGUuY28udmmCDiouZ29vZ2xlLmNv\n" "Lnphgg4qLmdvb2dsZS5jby56bYIOKi5nb29nbGUuY28ueneCDCouZ29vZ2xlLmNv\n" "bYIPKi5nb29nbGUuY29tLmFmgg8qLmdvb2dsZS5jb20uYWeCDyouZ29vZ2xlLmNv\n" "bS5haYIPKi5nb29nbGUuY29tLmFygg8qLmdvb2dsZS5jb20uYXWCDyouZ29vZ2xl\n" "LmNvbS5iZIIPKi5nb29nbGUuY29tLmJogg8qLmdvb2dsZS5jb20uYm6CDyouZ29v\n" "Z2xlLmNvbS5ib4IPKi5nb29nbGUuY29tLmJygg8qLmdvb2dsZS5jb20uYnmCDyou\n" "Z29vZ2xlLmNvbS5ieoIPKi5nb29nbGUuY29tLmNugg8qLmdvb2dsZS5jb20uY2+C\n" "DyouZ29vZ2xlLmNvbS5jdYIPKi5nb29nbGUuY29tLmN5gg8qLmdvb2dsZS5jb20u\n" "ZG+CDyouZ29vZ2xlLmNvbS5lY4IPKi5nb29nbGUuY29tLmVngg8qLmdvb2dsZS5j\n" "b20uZXSCDyouZ29vZ2xlLmNvbS5maoIPKi5nb29nbGUuY29tLmdlgg8qLmdvb2ds\n" "ZS5jb20uZ2iCDyouZ29vZ2xlLmNvbS5naYIPKi5nb29nbGUuY29tLmdygg8qLmdv\n" "b2dsZS5jb20uZ3SCDyouZ29vZ2xlLmNvbS5oa4IPKi5nb29nbGUuY29tLmlxgg8q\n" "Lmdvb2dsZS5jb20uam2CDyouZ29vZ2xlLmNvbS5qb4IPKi5nb29nbGUuY29tLmto\n" "gg8qLmdvb2dsZS5jb20ua3eCDyouZ29vZ2xlLmNvbS5sYoIPKi5nb29nbGUuY29t\n" "Lmx5gg8qLmdvb2dsZS5jb20ubW2CDyouZ29vZ2xlLmNvbS5tdIIPKi5nb29nbGUu\n" "Y29tLm14gg8qLmdvb2dsZS5jb20ubXmCDyouZ29vZ2xlLmNvbS5uYYIPKi5nb29n\n" "bGUuY29tLm5mgg8qLmdvb2dsZS5jb20ubmeCDyouZ29vZ2xlLmNvbS5uaYIPKi5n\n" "b29nbGUuY29tLm5wgg8qLmdvb2dsZS5jb20ubnKCDyouZ29vZ2xlLmNvbS5vbYIP\n" "Ki5nb29nbGUuY29tLnBhgg8qLmdvb2dsZS5jb20ucGWCDyouZ29vZ2xlLmNvbS5w\n" "Z4IPKi5nb29nbGUuY29tLnBogg8qLmdvb2dsZS5jb20ucGuCDyouZ29vZ2xlLmNv\n" "bS5wbIIPKi5nb29nbGUuY29tLnBygg8qLmdvb2dsZS5jb20ucHmCDyouZ29vZ2xl\n" "LmNvbS5xYYIPKi5nb29nbGUuY29tLnJ1gg8qLmdvb2dsZS5jb20uc2GCDyouZ29v\n" "Z2xlLmNvbS5zYoIPKi5nb29nbGUuY29tLnNngg8qLmdvb2dsZS5jb20uc2yCDyou\n" "Z29vZ2xlLmNvbS5zdoIPKi5nb29nbGUuY29tLnRqgg8qLmdvb2dsZS5jb20udG6C\n" "DyouZ29vZ2xlLmNvbS50coIPKi5nb29nbGUuY29tLnR3gg8qLmdvb2dsZS5jb20u\n" "dWGCDyouZ29vZ2xlLmNvbS51eYIPKi5nb29nbGUuY29tLnZjgg8qLmdvb2dsZS5j\n" "b20udmWCDyouZ29vZ2xlLmNvbS52boILKi5nb29nbGUuY3aCCyouZ29vZ2xlLmN6\n" "ggsqLmdvb2dsZS5kZYILKi5nb29nbGUuZGqCCyouZ29vZ2xlLmRrggsqLmdvb2ds\n" "ZS5kbYILKi5nb29nbGUuZHqCCyouZ29vZ2xlLmVlggsqLmdvb2dsZS5lc4IMKi5n\n" "b29nbGUuZXVzggsqLmdvb2dsZS5maYILKi5nb29nbGUuZm2CCyouZ29vZ2xlLmZy\n" "ggwqLmdvb2dsZS5mcmyCCyouZ29vZ2xlLmdhggwqLmdvb2dsZS5nYWyCCyouZ29v\n" "Z2xlLmdlggsqLmdvb2dsZS5nZ4ILKi5nb29nbGUuZ2yCCyouZ29vZ2xlLmdtggsq\n" "Lmdvb2dsZS5ncIILKi5nb29nbGUuZ3KCCyouZ29vZ2xlLmd5ggsqLmdvb2dsZS5o\n" "a4ILKi5nb29nbGUuaG6CCyouZ29vZ2xlLmhyggsqLmdvb2dsZS5odIILKi5nb29n\n" "bGUuaHWCCyouZ29vZ2xlLmllggsqLmdvb2dsZS5pbYILKi5nb29nbGUuaW6CDSou\n" "Z29vZ2xlLmluZm+CCyouZ29vZ2xlLmlxggsqLmdvb2dsZS5pcoILKi5nb29nbGUu\n" "aXOCCyouZ29vZ2xlLml0gg4qLmdvb2dsZS5pdC5hb4ILKi5nb29nbGUuamWCCyou\n" "Z29vZ2xlLmpvgg0qLmdvb2dsZS5qb2JzggsqLmdvb2dsZS5qcIILKi5nb29nbGUu\n" "a2eCCyouZ29vZ2xlLmtpggsqLmdvb2dsZS5reoILKi5nb29nbGUubGGCCyouZ29v\n" "Z2xlLmxpggsqLmdvb2dsZS5sa4ILKi5nb29nbGUubHSCCyouZ29vZ2xlLmx1ggsq\n" "Lmdvb2dsZS5sdoILKi5nb29nbGUubWSCCyouZ29vZ2xlLm1lggsqLmdvb2dsZS5t\n" "Z4ILKi5nb29nbGUubWuCCyouZ29vZ2xlLm1sggsqLmdvb2dsZS5tboILKi5nb29n\n" "bGUubXOCCyouZ29vZ2xlLm11ggsqLmdvb2dsZS5tdoILKi5nb29nbGUubXeCCyou\n" "Z29vZ2xlLm5lgg4qLmdvb2dsZS5uZS5qcIIMKi5nb29nbGUubmV0ggsqLmdvb2ds\n" "ZS5uZ4ILKi5nb29nbGUubmyCCyouZ29vZ2xlLm5vggsqLmdvb2dsZS5ucoILKi5n\n" "b29nbGUubnWCDyouZ29vZ2xlLm9mZi5haYILKi5nb29nbGUucGuCCyouZ29vZ2xl\n" "LnBsggsqLmdvb2dsZS5wboILKi5nb29nbGUucHOCCyouZ29vZ2xlLnB0ggsqLmdv\n" "b2dsZS5yb4ILKi5nb29nbGUucnOCCyouZ29vZ2xlLnJ1ggsqLmdvb2dsZS5yd4IL\n" "Ki5nb29nbGUuc2OCCyouZ29vZ2xlLnNlggsqLmdvb2dsZS5zaIILKi5nb29nbGUu\n" "c2mCCyouZ29vZ2xlLnNrggsqLmdvb2dsZS5zbYILKi5nb29nbGUuc26CCyouZ29v\n" "Z2xlLnNvggsqLmdvb2dsZS5zcoILKi5nb29nbGUuc3SCCyouZ29vZ2xlLnRkggwq\n" "Lmdvb2dsZS50ZWyCCyouZ29vZ2xlLnRnggsqLmdvb2dsZS50a4ILKi5nb29nbGUu\n" "dGyCCyouZ29vZ2xlLnRtggsqLmdvb2dsZS50boILKi5nb29nbGUudG+CCyouZ29v\n" "Z2xlLnR0ggsqLmdvb2dsZS51YYILKi5nb29nbGUudXOCCyouZ29vZ2xlLnV6ggsq\n" "Lmdvb2dsZS52Z4ILKi5nb29nbGUudnWCCyouZ29vZ2xlLndzghIqLmdvb2dsZWFk\n" "YXBpcy5jb22CFSouZ29vZ2xlYWRzc2VydmluZy5jboIPKi5nb29nbGVhcGlzLmNu\n" "ghQqLmdvb2dsZWNvbW1lcmNlLmNvbYIRKi5nb29nbGV2aWRlby5jb22CDCouZ3N0\n" "YXRpYy5jboINKi5nc3RhdGljLmNvbYIKKi5ndnQxLmNvbYIKKi5ndnQyLmNvbYIU\n" "Ki5qcC5kb3VibGVjbGljay5uZXSCFCoubWV0cmljLmdzdGF0aWMuY29tghQqLnVr\n" "LmRvdWJsZWNsaWNrLm5ldIIMKi51cmNoaW4uY29tghAqLnVybC5nb29nbGUuY29t\n" "ghYqLnlvdXR1YmUtbm9jb29raWUuY29tgg0qLnlvdXR1YmUuY29tghYqLnlvdXR1\n" "YmVlZHVjYXRpb24uY29tggsqLnl0aW1nLmNvbYIVYWQubW8uZG91YmxlY2xpY2su\n" "bmV0ggthbmRyb2lkLmNvbYIPZG91YmxlY2xpY2submV0ggRnLmNvggZnb28uZ2yC\n" "FGdvb2dsZS1hbmFseXRpY3MuY29tgglnb29nbGUuYWOCCWdvb2dsZS5hZIIJZ29v\n" "Z2xlLmFlgglnb29nbGUuYWaCCWdvb2dsZS5hZ4IJZ29vZ2xlLmFsgglnb29nbGUu\n" "YW2CCWdvb2dsZS5hc4IJZ29vZ2xlLmF0gglnb29nbGUuYXqCCWdvb2dsZS5iYYIJ\n" "Z29vZ2xlLmJlgglnb29nbGUuYmaCCWdvb2dsZS5iZ4IJZ29vZ2xlLmJpgglnb29n\n" "bGUuYmqCCWdvb2dsZS5ic4IJZ29vZ2xlLmJ0gglnb29nbGUuYnmCCWdvb2dsZS5j\n" "YYIKZ29vZ2xlLmNhdIIJZ29vZ2xlLmNjgglnb29nbGUuY2SCCWdvb2dsZS5jZoIJ\n" "Z29vZ2xlLmNngglnb29nbGUuY2iCCWdvb2dsZS5jaYIJZ29vZ2xlLmNsgglnb29n\n" "bGUuY22CCWdvb2dsZS5jboIMZ29vZ2xlLmNvLmFvggxnb29nbGUuY28uYneCDGdv\n" "b2dsZS5jby5ja4IMZ29vZ2xlLmNvLmNyggxnb29nbGUuY28uaHWCDGdvb2dsZS5j\n" "by5pZIIMZ29vZ2xlLmNvLmlsggxnb29nbGUuY28uaW2CDGdvb2dsZS5jby5pboIM\n" "Z29vZ2xlLmNvLmplggxnb29nbGUuY28uanCCDGdvb2dsZS5jby5rZYIMZ29vZ2xl\n" "LmNvLmtyggxnb29nbGUuY28ubHOCDGdvb2dsZS5jby5tYYIMZ29vZ2xlLmNvLm16\n" "ggxnb29nbGUuY28ubnqCDGdvb2dsZS5jby50aIIMZ29vZ2xlLmNvLnR6ggxnb29n\n" "bGUuY28udWeCDGdvb2dsZS5jby51a4IMZ29vZ2xlLmNvLnV6ggxnb29nbGUuY28u\n" "dmWCDGdvb2dsZS5jby52aYIMZ29vZ2xlLmNvLnphggxnb29nbGUuY28uem2CDGdv\n" "b2dsZS5jby56d4INZ29vZ2xlLmNvbS5hZoINZ29vZ2xlLmNvbS5hZ4INZ29vZ2xl\n" "LmNvbS5haYINZ29vZ2xlLmNvbS5hcoINZ29vZ2xlLmNvbS5hdYINZ29vZ2xlLmNv\n" "bS5iZIINZ29vZ2xlLmNvbS5iaIINZ29vZ2xlLmNvbS5iboINZ29vZ2xlLmNvbS5i\n" "b4INZ29vZ2xlLmNvbS5icoINZ29vZ2xlLmNvbS5ieYINZ29vZ2xlLmNvbS5ieoIN\n" "Z29vZ2xlLmNvbS5jboINZ29vZ2xlLmNvbS5jb4INZ29vZ2xlLmNvbS5jdYINZ29v\n" "Z2xlLmNvbS5jeYINZ29vZ2xlLmNvbS5kb4INZ29vZ2xlLmNvbS5lY4INZ29vZ2xl\n" "LmNvbS5lZ4INZ29vZ2xlLmNvbS5ldIINZ29vZ2xlLmNvbS5maoINZ29vZ2xlLmNv\n" "bS5nZYINZ29vZ2xlLmNvbS5naIINZ29vZ2xlLmNvbS5naYINZ29vZ2xlLmNvbS5n\n" "coINZ29vZ2xlLmNvbS5ndIINZ29vZ2xlLmNvbS5oa4INZ29vZ2xlLmNvbS5pcYIN\n" "Z29vZ2xlLmNvbS5qbYINZ29vZ2xlLmNvbS5qb4INZ29vZ2xlLmNvbS5raIINZ29v\n" "Z2xlLmNvbS5rd4INZ29vZ2xlLmNvbS5sYoINZ29vZ2xlLmNvbS5seYINZ29vZ2xl\n" "LmNvbS5tbYINZ29vZ2xlLmNvbS5tdIINZ29vZ2xlLmNvbS5teIINZ29vZ2xlLmNv\n" "bS5teYINZ29vZ2xlLmNvbS5uYYINZ29vZ2xlLmNvbS5uZoINZ29vZ2xlLmNvbS5u\n" "Z4INZ29vZ2xlLmNvbS5uaYINZ29vZ2xlLmNvbS5ucIINZ29vZ2xlLmNvbS5ucoIN\n" "Z29vZ2xlLmNvbS5vbYINZ29vZ2xlLmNvbS5wYYINZ29vZ2xlLmNvbS5wZYINZ29v\n" "Z2xlLmNvbS5wZ4INZ29vZ2xlLmNvbS5waIINZ29vZ2xlLmNvbS5wa4INZ29vZ2xl\n" "LmNvbS5wbIINZ29vZ2xlLmNvbS5wcoINZ29vZ2xlLmNvbS5weYINZ29vZ2xlLmNv\n" "bS5xYYINZ29vZ2xlLmNvbS5ydYINZ29vZ2xlLmNvbS5zYYINZ29vZ2xlLmNvbS5z\n" "YoINZ29vZ2xlLmNvbS5zZ4INZ29vZ2xlLmNvbS5zbIINZ29vZ2xlLmNvbS5zdoIN\n" "Z29vZ2xlLmNvbS50aoINZ29vZ2xlLmNvbS50boINZ29vZ2xlLmNvbS50coINZ29v\n" "Z2xlLmNvbS50d4INZ29vZ2xlLmNvbS51YYINZ29vZ2xlLmNvbS51eYINZ29vZ2xl\n" "LmNvbS52Y4INZ29vZ2xlLmNvbS52ZYINZ29vZ2xlLmNvbS52boIJZ29vZ2xlLmN2\n" "gglnb29nbGUuY3qCCWdvb2dsZS5kZYIJZ29vZ2xlLmRqgglnb29nbGUuZGuCCWdv\n" "b2dsZS5kbYIJZ29vZ2xlLmR6gglnb29nbGUuZWWCCWdvb2dsZS5lc4IKZ29vZ2xl\n" "LmV1c4IJZ29vZ2xlLmZpgglnb29nbGUuZm2CCWdvb2dsZS5mcoIKZ29vZ2xlLmZy\n" "bIIJZ29vZ2xlLmdhggpnb29nbGUuZ2Fsgglnb29nbGUuZ2WCCWdvb2dsZS5nZ4IJ\n" "Z29vZ2xlLmdsgglnb29nbGUuZ22CCWdvb2dsZS5ncIIJZ29vZ2xlLmdygglnb29n\n" "bGUuZ3mCCWdvb2dsZS5oa4IJZ29vZ2xlLmhugglnb29nbGUuaHKCCWdvb2dsZS5o\n" "dIIJZ29vZ2xlLmh1gglnb29nbGUuaWWCCWdvb2dsZS5pbYIJZ29vZ2xlLmluggtn\n" "b29nbGUuaW5mb4IJZ29vZ2xlLmlxgglnb29nbGUuaXKCCWdvb2dsZS5pc4IJZ29v\n" "Z2xlLml0ggxnb29nbGUuaXQuYW+CCWdvb2dsZS5qZYIJZ29vZ2xlLmpvggtnb29n\n" "bGUuam9ic4IJZ29vZ2xlLmpwgglnb29nbGUua2eCCWdvb2dsZS5raYIJZ29vZ2xl\n" "Lmt6gglnb29nbGUubGGCCWdvb2dsZS5saYIJZ29vZ2xlLmxrgglnb29nbGUubHSC\n" "CWdvb2dsZS5sdYIJZ29vZ2xlLmx2gglnb29nbGUubWSCCWdvb2dsZS5tZYIJZ29v\n" "Z2xlLm1ngglnb29nbGUubWuCCWdvb2dsZS5tbIIJZ29vZ2xlLm1ugglnb29nbGUu\n" "bXOCCWdvb2dsZS5tdYIJZ29vZ2xlLm12gglnb29nbGUubXeCCWdvb2dsZS5uZYIM\n" "Z29vZ2xlLm5lLmpwggpnb29nbGUubmV0gglnb29nbGUubmeCCWdvb2dsZS5ubIIJ\n" "Z29vZ2xlLm5vgglnb29nbGUubnKCCWdvb2dsZS5udYINZ29vZ2xlLm9mZi5haYIJ\n" "Z29vZ2xlLnBrgglnb29nbGUucGyCCWdvb2dsZS5wboIJZ29vZ2xlLnBzgglnb29n\n" "bGUucHSCCWdvb2dsZS5yb4IJZ29vZ2xlLnJzgglnb29nbGUucnWCCWdvb2dsZS5y\n" "d4IJZ29vZ2xlLnNjgglnb29nbGUuc2WCCWdvb2dsZS5zaIIJZ29vZ2xlLnNpggln\n" "b29nbGUuc2uCCWdvb2dsZS5zbYIJZ29vZ2xlLnNugglnb29nbGUuc2+CCWdvb2ds\n" "ZS5zcoIJZ29vZ2xlLnN0gglnb29nbGUudGSCCmdvb2dsZS50ZWyCCWdvb2dsZS50\n" "Z4IJZ29vZ2xlLnRrgglnb29nbGUudGyCCWdvb2dsZS50bYIJZ29vZ2xlLnRuggln\n" "b29nbGUudG+CCWdvb2dsZS50dIIJZ29vZ2xlLnVhgglnb29nbGUudXOCCWdvb2ds\n" "ZS51eoIJZ29vZ2xlLnZngglnb29nbGUudnWCCWdvb2dsZS53c4ISZ29vZ2xlY29t\n" "bWVyY2UuY29tggtnc3RhdGljLmNvbYIKdXJjaGluLmNvbYIIeW91dHUuYmWCC3lv\n" "dXR1YmUuY29tghR5b3V0dWJlZWR1Y2F0aW9uLmNvbTBoBggrBgEFBQcBAQRcMFow\n" "KwYIKwYBBQUHMAKGH2h0dHA6Ly9wa2kuZ29vZ2xlLmNvbS9HSUFHMi5jcnQwKwYI\n" "KwYBBQUHMAGGH2h0dHA6Ly9jbGllbnRzMS5nb29nbGUuY29tL29jc3AwHQYDVR0O\n" "BBYEFDMrLmj1e2gmcZmnzubAE8ZjJQ65MAwGA1UdEwEB/wQCMAAwHwYDVR0jBBgw\n" "FoAUSt0GFhu89mi1dvWBtrtiGrpagS8wFwYDVR0gBBAwDjAMBgorBgEEAdZ5AgUB\n" "MDAGA1UdHwQpMCcwJaAjoCGGH2h0dHA6Ly9wa2kuZ29vZ2xlLmNvbS9HSUFHMi5j\n" "cmwwDQYJKoZIhvcNAQELBQADggEBABxZydGQYaldvgzWN5nNRn2ODsjG8HY5Ze4z\n" "yASaqmGhPUHwgatR0jXtjE5RG3d5QQ3mxHmebm860FropIC6ILCFxMwI5HkZaKPc\n" "mgfqCfQuPb2qlmwEjyTOpq+Z8eDK8nZRIdTrepDmx+f+vnErW2xqNO8t6v+56eUy\n" "v3H534IhukbzRUV6px502ZtjjHESfAbm6re9DEH5dGkfPMqnSkSuPE3oWDfKrX3v\n" "g023KPi7pVjgZbQGyI17KBo4P75fnjnvu19Yi85j5uo+nkjFF7hlIFruRNP6VZbg\n" "JhDfLMIcOPsMQuLkudih8be5aZmhld1xbzvWRuPEUjzLy28T81A=\n" "-----END CERTIFICATE-----\n" " 1 s:/C=US/O=Google Inc/CN=Google Internet Authority G2\n" " i:/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA\n" "-----BEGIN CERTIFICATE-----\n" "MIID8DCCAtigAwIBAgIDAjp2MA0GCSqGSIb3DQEBBQUAMEIxCzAJBgNVBAYTAlVT\n" "MRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMRswGQYDVQQDExJHZW9UcnVzdCBHbG9i\n" "YWwgQ0EwHhcNMTMwNDA1MTUxNTU1WhcNMTYxMjMxMjM1OTU5WjBJMQswCQYDVQQG\n" "EwJVUzETMBEGA1UEChMKR29vZ2xlIEluYzElMCMGA1UEAxMcR29vZ2xlIEludGVy\n" "bmV0IEF1dGhvcml0eSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB\n" "AJwqBHdc2FCROgajguDYUEi8iT/xGXAaiEZ+4I/F8YnOIe5a/mENtzJEiaB0C1NP\n" "VaTOgmKV7utZX8bhBYASxF6UP7xbSDj0U/ck5vuR6RXEz/RTDfRK/J9U3n2+oGtv\n" "h8DQUB8oMANA2ghzUWx//zo8pzcGjr1LEQTrfSTe5vn8MXH7lNVg8y5Kr0LSy+rE\n" "ahqyzFPdFUuLH8gZYR/Nnag+YyuENWllhMgZxUYi+FOVvuOAShDGKuy6lyARxzmZ\n" "EASg8GF6lSWMTlJ14rbtCMoU/M4iarNOz0YDl5cDfsCx3nuvRTPPuj5xt970JSXC\n" "DTWJnZ37DhF5iR43xa+OcmkCAwEAAaOB5zCB5DAfBgNVHSMEGDAWgBTAephojYn7\n" "qwVkDBF9qn1luMrMTjAdBgNVHQ4EFgQUSt0GFhu89mi1dvWBtrtiGrpagS8wEgYD\n" "VR0TAQH/BAgwBgEB/wIBADAOBgNVHQ8BAf8EBAMCAQYwNQYDVR0fBC4wLDAqoCig\n" "JoYkaHR0cDovL2cuc3ltY2IuY29tL2NybHMvZ3RnbG9iYWwuY3JsMC4GCCsGAQUF\n" "BwEBBCIwIDAeBggrBgEFBQcwAYYSaHR0cDovL2cuc3ltY2QuY29tMBcGA1UdIAQQ\n" "MA4wDAYKKwYBBAHWeQIFATANBgkqhkiG9w0BAQUFAAOCAQEAJ4zP6cc7vsBv6JaE\n" "+5xcXZDkd9uLMmCbZdiFJrW6nx7eZE4fxsggWwmfq6ngCTRFomUlNz1/Wm8gzPn6\n" "8R2PEAwCOsTJAXaWvpv5Fdg50cUDR3a4iowx1mDV5I/b+jzG1Zgo+ByPF5E0y8tS\n" "etH7OiDk4Yax2BgPvtaHZI3FCiVCUe+yOLjgHdDh/Ob0r0a678C/xbQF9ZR1DP6i\n" "vgK66oZb+TWzZvXFjYWhGiN3GhkXVBNgnwvhtJwoKvmuAjRtJZOcgqgXe/GFsNMP\n" "WOH7sf6coaPo/ck/9Ndx3L2MpBngISMjVROPpBYCCX65r+7bU2S9cS+5Oc4wt7S8\n" "VOBHBw==\n" "-----END CERTIFICATE-----\n" " 2 s:/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA\n" " i:/C=US/O=Equifax/OU=Equifax Secure Certificate Authority\n" "-----BEGIN CERTIFICATE-----\n" "MIIDfTCCAuagAwIBAgIDErvmMA0GCSqGSIb3DQEBBQUAME4xCzAJBgNVBAYTAlVT\n" "MRAwDgYDVQQKEwdFcXVpZmF4MS0wKwYDVQQLEyRFcXVpZmF4IFNlY3VyZSBDZXJ0\n" "aWZpY2F0ZSBBdXRob3JpdHkwHhcNMDIwNTIxMDQwMDAwWhcNMTgwODIxMDQwMDAw\n" "WjBCMQswCQYDVQQGEwJVUzEWMBQGA1UEChMNR2VvVHJ1c3QgSW5jLjEbMBkGA1UE\n" "AxMSR2VvVHJ1c3QgR2xvYmFsIENBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB\n" "CgKCAQEA2swYYzD99BcjGlZ+W988bDjkcbd4kdS8odhM+KhDtgPpTSEHCIjaWC9m\n" "OSm9BXiLnTjoBbdqfnGk5sRgprDvgOSJKA+eJdbtg/OtppHHmMlCGDUUna2YRpIu\n" "T8rxh0PBFpVXLVDviS2Aelet8u5fa9IAjbkU+BQVNdnARqN7csiRv8lVK83Qlz6c\n" "JmTM386DGXHKTubU1XupGc1V3sjs0l44U+VcT4wt/lAjNvxm5suOpDkZALeVAjmR\n" "Cw7+OC7RHQWa9k0+bw8HHa8sHo9gOeL6NlMTOdReJivbPagUvTLrGAMoUgRx5asz\n" "PeE4uwc2hGKceeoWMPRfwCvocWvk+QIDAQABo4HwMIHtMB8GA1UdIwQYMBaAFEjm\n" "aPkr0rKV10fYIyAQTzOYkJ/UMB0GA1UdDgQWBBTAephojYn7qwVkDBF9qn1luMrM\n" "TjAPBgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBBjA6BgNVHR8EMzAxMC+g\n" "LaArhilodHRwOi8vY3JsLmdlb3RydXN0LmNvbS9jcmxzL3NlY3VyZWNhLmNybDBO\n" "BgNVHSAERzBFMEMGBFUdIAAwOzA5BggrBgEFBQcCARYtaHR0cHM6Ly93d3cuZ2Vv\n" "dHJ1c3QuY29tL3Jlc291cmNlcy9yZXBvc2l0b3J5MA0GCSqGSIb3DQEBBQUAA4GB\n" "AHbhEm5OSxYShjAGsoEIz/AIx8dxfmbuwu3UOx//8PDITtZDOLC5MH0Y0FWDomrL\n" "NhGc6Ehmo21/uBPUR/6LWlxz/K7ZGzIZOKuXNBSqltLroxwUCEm2u+WR74M26x1W\n" "b8ravHNjkOR/ez4iyz0H7V84dJzjA1BOoa+Y7mHyhD8S\n" "-----END CERTIFICATE-----\n" "---\n" "Server certificate\n" "subject=/C=US/ST=California/L=Mountain View/O=Google Inc/CN=google.com\n" "issuer=/C=US/O=Google Inc/CN=Google Internet Authority G2\n" "---\n" "No client certificate CA names sent\n" "---\n" "SSL handshake has read 10215 bytes and written 438 bytes\n" "---\n" "New, TLSv1/SSLv3, Cipher is RC4-SHA\n" "Server public key is 2048 bit\n" "Compression: NONE\n" "Expansion: NONE\n" "SSL-Session:\n" " Protocol : TLSv1\n" " Cipher : RC4-SHA\n" " Session-ID: 8EBB979A96C58F5D6B0CF33E01F12D096E201DF6C49DA77ED00FA7B9F5272C08\n" " Session-ID-ctx: \n" " Master-Key: 01AEE29DA7182701AEC2F6EEAFC52D0A334983BBBBD26E4176B11B66703FFC8A8E6B49149B2624F8E15997B325CB15DE\n" " Key-Arg : None\n" " Start Time: 1440342367\n" " Timeout : 300 (sec)\n" " Verify return code: 20 (unable to get local issuer certificate)\n" "---\n") matches = re.finditer(regex, test_str, re.MULTILINE | re.DOTALL) for matchNum, match in enumerate(matches, start=1): print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group())) for groupNum in range(0, len(match.groups())): groupNum = groupNum + 1 print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum))) # Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.

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 Python, please visit: https://docs.python.org/3/library/re.html