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

$re = '/(^\w*[ а-яА-Яa-zA-Z:,\/]*\\\\?$)|^\\\\*[\w .:]*\\\\*\/?(.*)/m'; $str = '\\\\\\\\atxr2.atxr.ru\\\\_resource_test_001001\\\\_dir1 c:\\\\_resource_test_001001\\\\_dir1 \\\\atxr2.atxr.ru\\_resource_test_001001\\_dir1 D:\\ _dir1 \\\\atxr2.atxr.ru\\_resource_test_001004 Локальное имя _resource_test_001004 Разделяемое устройство atxr.ru/Users/Administrator atxr2.atxr.ru/_resource_test_001004 atxr2.atxr.ru\\_resource_test_001004 Удаление,Смена владельца документа,Смена владельца,Удаление документа,Просмотр разрешений документа,Просмотр разрешений,Управление документами,Управление принтером,Просмотр документов,Печать,Установка разрешений документа,Установка разрешений Подразделение Active Directory atxr.ru/_resource_test_0011015/_resource2_test_0011015 atxr.ru/_resource_test_0011015/_user1_test_0011015 Содержание папки/Чтение данных,Чтение дополнительных атрибутов,Обзор папок/Выполнение файлов,Чтение атрибутов,Чтение разрешений (^[\\w а-яА-Я:]*\\\\?$)|(^[A-Z]{1}:\\\\$)|^[\\\\a-zA-Z0-9.-:]*[\\\\\\/](.*) (^[\\w а-яА-Я:]*\\\\?$)|^[\\\\a-zA-Z. :0-9-]*\\\\\\/?(.*) (^\\w*[ а-яА-Яa-zA-Z:,\\/]*\\\\?$)|^\\\\*[\\w .:]*\\\\*\\/?(.*)'; 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