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
Processing...

Test String

Code Generator

Language

Generated Code

const regex = /PAN-OS\s*ver:\s*(?<PanOS_Version>\S+)\s*Panorama ver:\s*(?<Panorama_Version>\S+)/gm; // Alternative syntax using RegExp constructor // const regex = new RegExp('PAN-OS\\s*ver:\\s*(?<PanOS_Version>\\S+)\\s*Panorama ver:\\s*(?<Panorama_Version>\\S+)', 'gm') const str = `Panorama push to device:013101010578 for device-group: Durham_IPV6_INET_SVCS succeeded. JobId=2480530 Panorama push to device:007257000068919 for device-group: Azure-China-Internet-North succeeded. JobId=2480524 Panorama push to device:016401009013 for device-group: Austin_Experience_Lounge succeeded. JobId=2480530 extracted. In the case of the above 3 examples, the 3 values extracted are "Durham_IPV6_INET_SVCS", "Azure-China-Internet-North" and "Austin_Experience_Lounge" respectively. Client authentication successful PAN-OS ver: 9.1.11-h3 Panorama ver:10.1.6-h3 Client IP: 10.68.196.211 Server IP: 10.58.217.123 Client CN: 013101004861" "Client authentication successful PAN-OS ver: 9.1.11 Panorama ver:10.1.6-h6 Client IP: 10.58.90.53 Server IP: 10.58.90.200 Client CN: 010401005346`; // Reset `lastIndex` if this regex is defined globally // regex.lastIndex = 0; let m; while ((m = regex.exec(str)) !== null) { // This is necessary to avoid infinite loops with zero-width matches if (m.index === regex.lastIndex) { regex.lastIndex++; } // The result can be accessed through the `m`-variable. m.forEach((match, groupIndex) => { console.log(`Found match, group ${groupIndex}: ${match}`); }); }

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 JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions