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

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"^\""\w+\""\,(?:\"")?(?<process>([\w|\s|\,|\.|\-|\+]+)?)(?:\"")?\,\""(?<handles>\d+)\""\,\""(?<VM>[\-\d|\d]+)\""\,\""(?<WS>\d+)\""\,\""(?<PM>\d+)\""\,\""(?<NPM>\d+)\""\,(?:\"")?(?<Path>([a-zA-Z]\:\\[\\\w\s\.\-\(\)\+|*\w]+)?)(?:\"")?\,(?:\"")?(?<Company>([\w|\s|\,|\.|\@]+)?)(?:\"")?\,(?:\"")?(?<CPU>[\d|\.]+)?(?:\"")?\,(?:\"")?(?<FileVersion>[\d|\.|\s|\(|\w|\_|\-|\)]+)?(?:\"")?\,(?:\"")?(?<ProductVersion>[\d|\.|\s|\(|\w|\_|\-|\)]+)?(?:\"")?\,(?:\"")?(?<Description>[\d|\.|\s|\(|\w|\_|\-|\|\+|\:)]+)?(?:\"")?\,(?:\"")?(?<Product>[\w|\s|\®|\+|\(|\)]+)?(?:\"")?\,(?:\"")?(?<Id>[\w|\s|\®|\+|\(|\)]+)?(?:\"")?\,(?:\"")?(?<PriorityClass>[\w|\s|\®|\+|\(|\)]+)?(?:\"")?\,(?:\"")?(?<HandleCount>[\w|\s|\®|\+|\(|\)]+)?(?:\"")?\,"; string input = @"""Process"",""ServerManager"",""509"",""830853120"",""149446656"",""125960192"",""31992"",""C:\Windows\system32\ServerManager.exe"",""Microsoft Corporation"",""140.25"",""6.3.9600.17238 (winblue_gdr.140723-2018)"",""6.3.9600.17238"",""Server Manager"",""Microsoft® Windows® Operating System"",""18324"",""Normal"",""509"",""149446656"",""125960192"",""125960192"",""830853120"",""00:02:20.2500000"",""8"",,""False"",,""2200"",""Microsoft.Win32.SafeHandles.SafeProcessHandle"",""."",""65976"",""Server Manager"",""System.Diagnostics.ProcessModule (ServerManager.exe)"",""1413120"",""204800"",""System.Diagnostics.ProcessModuleCollection"",""31992"",""31992"",""125960192"",""741880"",""741880"",""256077824"",""256077824"",""279134208"",""279134208"",""885768192"",""885768192"",""True"",""125960192"",""00:00:27.8125000"",""ServerManager"",""255"",""True"",""1"",""System.Diagnostics.ProcessStartInfo"",""1/26/2020 3:22:29 PM"",,""System.Diagnostics.ProcessThreadCollection"",""00:01:52.4375000"",""830853120"",""False"",,,,""149446656"",,"; RegexOptions options = RegexOptions.Multiline; foreach (Match m in Regex.Matches(input, pattern, options)) { Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index); } } }

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 C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx