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

$re = '/\[.*\s\S*/'; $str = 'DeletedFiles: 2 DeletedFolders: 0 ModifiedFiles: 9 ExaminedFiles: 26676 OpenedFiles: 12 AddedFiles: 3 SizeOfModifiedFiles: 83376840 SizeOfAddedFiles: 1418892 SizeOfExaminedFiles: 14088761790 SizeOfOpenedFiles: 84801922 NotProcessedFiles: 0 AddedFolders: 0 TooLargeFiles: 0 FilesWithError: 0 ModifiedFolders: 0 ModifiedSymlinks: 0 AddedSymlinks: 0 DeletedSymlinks: 0 PartialBackup: False Dryrun: False MainOperation: Backup ParsedResult: Success EndTime: 15. 4. 2018 17:41:38 (1523806898) BeginTime: 15. 4. 2018 17:39:10 (1523806750) Duration: 00:02:27.4906343 Messages: [ 2018-04-15 17:39:10 +02 - [Information-Duplicati.Library.Main.Controller-StartingOperation]: The operation Backup has started, 2018-04-15 17:39:20 +02 - [Information-Duplicati.Library.Main.BasicResults-BackendEvent]: Backend event: List - Started: (), 2018-04-15 17:39:21 +02 - [Information-Duplicati.Library.Main.BasicResults-BackendEvent]: Backend event: List - Completed: (726 bytes), 2018-04-15 17:40:31 +02 - [Information-Duplicati.Library.Main.BasicResults-BackendEvent]: Backend event: Put - Started: duplicati-b11e3ae12fdc54bebac1b9cd715de2280.dblock.zip.aes (1.27 MB), 2018-04-15 17:40:32 +02 - [Information-Duplicati.Library.Main.BasicResults-BackendEvent]: Backend event: Put - Completed: duplicati-b11e3ae12fdc54bebac1b9cd715de2280.dblock.zip.aes (1.27 MB), 2018-04-15 17:40:32 +02 - [Information-Duplicati.Library.Main.BasicResults-BackendEvent]: Backend event: Put - Started: duplicati-i8875b05b15ae41baab0188a3845d5b3d.dindex.zip.aes (29.92 KB), 2018-04-15 17:40:32 +02 - [Information-Duplicati.Library.Main.BasicResults-BackendEvent]: Backend event: Put - Completed: duplicati-i8875b05b15ae41baab0188a3845d5b3d.dindex.zip.aes (29.92 KB), 2018-04-15 17:40:33 +02 - [Information-Duplicati.Library.Main.BasicResults-BackendEvent]: Backend event: Put - Started: duplicati-20180415T153910Z.dlist.zip.aes (2.41 MB), 2018-04-15 17:40:35 +02 - [Information-Duplicati.Library.Main.BasicResults-BackendEvent]: Backend event: Put - Completed: duplicati-20180415T153910Z.dlist.zip.aes (2.41 MB), 2018-04-15 17:40:35 +02 - [Information-Duplicati.Library.Main.Operation.DeleteHandler:RetentionPolicy-StartCheck]: Start checking if backups can be removed, ... ] Warnings: [] Errors: [] '; 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