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 = new RegExp('(?i)\\b(baba(ji)?|fifa.*coins?|fifabay|(hotmail|gmail|outlook) ?(password( recovery)?|tech)? (support|contact|telephone) number|nike|tosterone|bajotz|vashi?k[ae]r[ae]n|sumer|kolcak|porn|molvi|judi bola|ituBola.com|lost lover|11s|acai|skin care|rejuvenated skin|LifeForce|swtor2credits|me2.do|black magic|bam2u|Neuro(3X|flexyn)|Nutra|TesteroneXL|Bowtrol|Slim ?Genix|Cleanse EFX|Babyliss ?Pro|Forskolin|Blackline Elite|TestCore Pro|Xtreme Antler|Maxx Test 3000|Cheap Wigs?|jivam|(Improve )?Brain Power|aging skin|acne( prone)? skin|(skin )?eye serum|skin (serum|eye)|(fake|original) (passports?|driver\\'?s? licen[cs]e|ID cards?)|bagprada|6611165613)\\b|ಌ|(support|service|helpline)( phone)? number|1[ -]?[ -]?866[ -]?[ -]?978[ -]?6[ -]?819|(>>>>|===>|==>>>)(?s).*htt', 'gu') const str = `Gmail Tech Support (1-844-202-5571) Gmail tech support number[Toll Free Number]? <>1 - 866-978-6819<>gmail password reset//gmail contact number//gmail customer service//gmail help number Hotmail technical support1 - 844-780-67 62 telephone number Hotmail support helpline number [[[[[1-844-202-5571]]]]]Gmail Tech support[*]Gmail tech support number @@<>1 -866-978-6819 FREE<><><::::::@Gmail password recovery telephone number 1 - 844-780-6762 outlook password recovery number-outlook password recovery contact number-outlook password recovery helpline number`; // 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