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

/
/
g

Test String

Code Generator

Language

Generated Code

const regex = /href="(http.+appl(?:y|ica).*?)"/g; // Alternative syntax using RegExp constructor // const regex = new RegExp('href="(http.+appl(?:y|ica).*?)"', 'g') const str = `<div> <p>Erste Fragen beantwortet Ihnen gerne Elcin Rabatli-Klappenberger unter <a href="tel:+49/839868144"><span class="brand-color text-bold">0891/898568144</span></a>.</p> <p>Bewerben können Sie sich einfach mit Ihrem Lebenslauf über unsere <a href="https://www.pisegxel.de/java-spring-jee-softwareentwickler-architekt-muenchen" target="_blank"> <p>Informationen über uns und zum Bewerbungsablauf finden Sie unter <a href="https://www.isg.com/jobs/applications/applyForJobEntry.jsf?inseratnummer=83115&refererId=37" target="_blank"><span class="brand-color text-bold">www.pisegxel.de</span></a></p> <span class="brand-color text-bold">&gt;&gt;&gt; 1-Klick Bewerbung</span></a> oder per Email über <a href="mailto:jobs@pisdgexel.de"><span class="brand-color text-bold">jobs@pissegxel.de</span></a></p> <p><span class="brand-color text-bold">Informationen zum Ablauf in Bezug auf COVID 19: </span><br /> <a href="https://www.pisegxel.de/application/java-spring-jee-softwareentwickler-architekt-muenchen" target="_blank"> Vorstellungsgespräche können via Videokon&#173;fe&#173;renz geführt werden. Alternativ ist bei Präsenzterminen die Einhaltung der Hygienevorschriften gewährleistet.<br /> <a href="https://www.pisegxel.de/apply/form?job=333&test=2" target="_blank"> <strong><em>Wir freuen uns auf Ihre Bewerbung!</em></strong> </p> </div>`; // 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