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

/
/
gis

Test String

Code Generator

Generated Code

const regex = /^(?:[[:^print:][:cntrl:]\s]|GIF89.{0,20})*<\?(?:php)?\s*\$yourmail\s*=.{0,40}?put your e-mail here.{0,190}?scam[\s\w]+by\s*walid\s*nabil.{0,70}?facebook\.com\/oreo0o.{0,50}?walid_nabil(?:[^>]+>\s*)?$/gis; // Alternative syntax using RegExp constructor // const regex = new RegExp('^(?:[[:^print:][:cntrl:]\\s]|GIF89.{0,20})*<\\?(?:php)?\\s*\\$yourmail\\s*=.{0,40}?put your e-mail here.{0,190}?scam[\\s\\w]+by\\s*walid\\s*nabil.{0,70}?facebook\\.com\\\/oreo0o.{0,50}?walid_nabil(?:[^>]+>\\s*)?$', 'gis') const str = `<?php \$yourmail = 'Tuto42@yahoo.com'; // PUT YOUR E-MAIL HERE //To Open This Page : domain.com/?wal=mart /* \$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$ \$ \$ \$ THIS SCAM WAS CREATED BY Walid Nabil (OREOO) \$ \$ FB:https://www.facebook.com/OReo0o \$ \$ ICQ:https://icq.im/Walid_Nabil \$ \$ 2020 \$ \$ \$ \$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$ .----------------. .----------------. .----------------. .----------------. .----------------. .----------------. | .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. | | | ____ | || | _______ | || | _________ | || | ____ | || | ____ | || | ____ | | | | .' \`. | || | |_ __ \\ | || | |_ ___ | | || | .' \`. | || | .' \`. | || | .' \`. | | | | / .--. \\ | || | | |__) | | || | | |_ \\_| | || | / .--. \\ | || | / .--. \\ | || | / .--. \\ | | | | | | | | | || | | __ / | || | | _| _ | || | | | | | | || | | | | | | || | | | | | | | | | \\ \`--' / | || | _| | \\ \\_ | || | _| |___/ | | || | \\ \`--' / | || | \\ \`--' / | || | \\ \`--' / | | | | \`.____.' | || | |____| |___| | || | |_________| | || | \`.____.' | || | \`.____.' | || | \`.____.' | | | | | || | | || | | || | | || | | || | | | | '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' | '----------------' '----------------' '----------------' '----------------' '----------------' '----------------' */ ?> `; // 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