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

const regex = /(^(\S+):(.*)$)|(^.*$)/gm; // Alternative syntax using RegExp constructor // const regex = new RegExp('(^(\\S+):(.*)$)|(^.*$)', 'gm') const str = `Yanitic:ачив не найдено yurahm: медаль золото(23:10 12-12-2014) 59д Жертвам Голодомору(T2617, Voronovytsya, Chernivets' ka oblast, Ukraine) https://www.ingress.com/intel?ll=48.530544,26.64706&z=17&pll=48.530544,26.64706 59д Памятник Неизвестного Солдату (Unnamed Road, Sokil, Khmel' nyts' ka oblast, Ukraine) https://www.ingress.com/intel?ll=48.529953,26.645298&z=17&pll=48.529953,26.645298 58д Капличка(Unnamed Road, Ruda, Khmel' nyts' ka oblast, Ukraine) https://www.ingress.com/intel?ll=48.555892,26.567197&z=17&pll=48.555892,26.567197 39д Олень(E50, Vinnyts' ka oblast, Ukraine) https://www.ingress.com/intel?ll=49.366811,27.984859&z=17&pll=49.366811,27.984859 39д Сержант Петренко(E50, Vinnyts' ka oblast, Ukraine) https://www.ingress.com/intel?ll=49.366651,27.985773&z=17&pll=49.366651,27.985773 32д Собор Святого Михаїла(Olimpiiska St, Khmelnytskyi, Khmel' nyts' ka oblast, Ukraine) https://www.ingress.com/intel?ll=49.435902,26.958889&z=17&pll=49.435902,26.958889 15д Стадиончик(Lyali Ratushnoi Street, 128, Vinnytsia, Vinnyts' ka oblast, Ukraine) https://www.ingress.com/intel?ll=49.221695,28.433667&z=17&pll=49.221695,28.433667 zZHunteRZz:ачив не найдено zZWehrZz:ачив не найдено GhostPathfinder: медаль золото(03:19 19-02-2016) 54д памятник Володарскому(Н03, Khmel' nyts' ka oblast, Ukraine) https://www.ingress.com/intel?ll=49.806018,27.56081&z=17&pll=49.806018,27.56081 54д церковь(Н03, Khmel' nyts' ka oblast, Ukraine) https://www.ingress.com/intel?ll=49.806456,27.561546&z=17&pll=49.806456,27.561546 54д Павшим В Боях(Н03, Krasnoselka, Zhytomyrs' ka oblast, Ukraine) https://www.ingress.com/intel?ll=49.989098,28.000007&z=17&pll=49.989098,28.000007 54д Часовня на перекрёстке(E101, Chernihivs' ka oblast, Ukraine) https://www.ingress.com/intel?ll=51.139195,31.862377&z=17&pll=51.139195,31.862377 54д Прокопович Петр Иванович(E101, Chernihivs' ka oblast, Ukraine) https://www.ingress.com/intel?ll=51.298025,32.770144&z=17&pll=51.298025,32.770144 1д Filarmoniya(Haharina street, 5, Khmelnytskyi, Khmel' nyts' ka oblast, Ukraine) https://www.ingress.com/intel?ll=49.418876,26.976199&z=17&pll=49.418876,26.976199`; // 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