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

r"
"
gm

Test String

Code Generator

Language

Generated Code

$re = '/not \(?\s*1 of \s*([\w\*]*)\s*\)?|not \(?\s*all of \s*([\w\*]*)\s*\)?|not \s*([^\d\(][^\(\s]*)|not \(\s*([^\d]+.*)\s?\)/m'; $str = '( passwordchanged and not passwordchanged_filter ) | near samrpipe ( selection_cammute and not filter_cammute ) or ( selection_chrome_frame and not filter_chrome_frame ) or ( selection_devemu and not filter_devemu ) or ( selection_gadget and not filter_gadget ) or ( selection_hcc and not filter_hcc ) or ( selection_hkcmd and not filter_hkcmd ) or ( selection_mc and not filter_mc ) or ( selection_msmpeng and not filter_msmpeng ) or ( selection_msseces and not filter_msseces ) or ( selection_oinfo and not filter_oinfo ) or ( selection_oleview and not filter_oleview ) or ( selection_rc and not filter_rc ) (exec_selection and not exec_exclusion) or (create_selection and create_keywords) (selection1 and not filter1) or selection2 or selection3 or selection4 all of selection and not (1 of exclusion_*) keywords and not 1 of filters methregistry or ( methprocess and not filterprocess ) selection and not ( filter1 or filter2 ) selection and not ( filter1 or filter2 or filter3 ) selection and not (ini or intel) selection and not 1 of falsepositive* selection and not (1 of falsepositive*) selection and not exclusion selection and not falsepositive selection and not falsepositives selection and not filter selection and not reduction selection1 and not selection2 selection1 or ( selection2 and not filter2 ) selection_registry and not exclusion_images selector | near dllload1 and dllload2 and not exclusion selection and not (filter1) selection and not all of falsepositive* selection and not (all of falsepositive*) selection and selection2 selection or (selection2 and selection3) selection or 1 of selection*'; preg_match_all($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