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"
"
g

Test String

Code Generator

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"^\""([^((,\"")|(\"",))]*)\""|,\""([^((,\"")|(\"",))]*)\"" "; string input = @"""0213379"",""P"",""2014"",,"",""2015"",""2015"",""95BAD1D8"",""Macan S Diesel 18"" Räder"",""951"",""4T4T"",""VO"",""$BI 0M2 0NA 0TD 1BK 1G1 1N3 2JX 2ZH 4A3 6H1 7X2 8JE 9JB C11 PE5 PP8 QE1 QJ6 VR4"",""B"","",""1510"","","","","","",""2014-06-04 00:00:00"","",""2014-06-04 00:00:00"",""2014-06-06 00:00:00"","",""V"",""K"",""N"",""N"",""N"",""2014-06-04 00:00:00"","","",""400"",""400"",""J"",""PIA GRAZ-L"",""400"",""PIA GRAZ-L"","","",""56193.72"",""63139.01"",""96"",""2014-06-04 00:00:00"",""M"","",""Walter Josef"",""Müller"",""A"",""8530"",""Deutschlandsberg"","","","","","","","",""Feilhofengasse 8"","","","","","","","","","","","","","","","","","","","","",""Herr"","",""Rabel"",""Rene"","","","","","","","","","","",""2015"",""03"",""OR"",""OR"","",""258"",""190"",""2967"",""D"",""4"",""PDK"",""A"",""14"",""6.7"",""5.7"",""6.1"",""161"","".0002"",""J"","".0582"","","","","""; foreach (Match m in Regex.Matches(input, pattern)) { 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