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

$re = '/(?i)(?=^([^m]*(m([^ü]|$)|mü([^l]|$)|mül([^l]|$)|müll([^e]|$)(mülle([^r])|$))?)*$)\b(?>(?:^(?:[a-z0-9\-\p{L}]+?[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,3}[a-z0-9\-\p{L}]+?[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,3}[a-z0-9\-\p{L}]*[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,3}[a-z0-9\-\p{L}]+)))\b\N*?\b(?=\W{1,}[a-z\p{L}]*[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,2}[a-z0-9\p{L}]*[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,2}[a-z\p{L}]+[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{1,3}\d{0,4}[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,3}[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,3}\d{0,4}[a-z\p{L}]{0,2}\b\R*\b[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,3}[a-z\p{L}]{0,2}[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,3}\d{5}[\.\,\-\:\;\•\|\&\/*\!\ ]{0,3}[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,3}[a-z\p{L}]*[\.\,\-\:\;\•\|\&\/*\!\(\)\ ]{0,3}[a-z\p{L}]+)\b /m'; $str = 'Absendende Firma AG Test Str. 123 12345 Entenhausen 81014617 0873 08.09.2021 15:50 Herrn Lorenz Müller Musterweg 42 54321 Testhausen Lorem ipsum dolor sit amet, officia excepteur ex fugiat reprehenderit enim labore culpa sint ad nisi Lorem pariatur mollit ex esse exercitation amet. Nisi animcupidatat excepteur officia. Reprehenderit nostrud nostrud ipsum Lorem est aliquip amet voluptate voluptate dolor minim nulla est proident. Nostrud officia pariatur ut officia. Sit irure elit esse ea nulla sunt ex occaecat reprehenderit commodo officia dolor Lorem duis laboris cupidatat officia voluptate. Culpa proident adipisicing id nulla nisi laboris ex in Lorem sunt duis officia eiusmod. Aliqua reprehenderit commodo ex non excepteur duis sunt velit enim. Voluptate laboris sint cupidatat ullamco ut ea consectetur et est culpa et culpa duis.'; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

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 PHP, please visit: http://php.net/manual/en/ref.pcre.php