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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]
  • Character class intersection
    [\w&&[^\d]]
  • 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
Processing...

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"(?<=\>)(\d{4}\-\d{2}\-\d{2}T\d{2}\:\d{2}\:\d{2}Z)(?=<\/span)"; string input = @"<p><span data-date=""2019-05-10"" data-time=""19:00:00"" class=""discourse-local-date"" data-timezones=""Europe/Brussels"" data-timezone=""Europe/Berlin"" data-email-preview=""2019-05-10T17:00:00Z UTC"">2019-05-10T17:00:00Z</span> → <span data-date=""2019-05-10"" data-time=""22:00:00"" class=""discourse-local-date"" data-timezones=""Europe/Brussels"" data-timezone=""Europe/Berlin"" data-email-preview=""2019-05-10T20:00:00Z UTC"">2019-05-10T20:00:00Z</span><br> <div class=""lightbox-wrapper""><div class=""meta""> <span class=""filename"">HackSpace_by_Sugar_Ray_Banister.jpg</span><span class=""informations"">1596×771 993 KB</span><span class=""expand""></span> </div></a></div></p>"; 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