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
Processing...

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"sans-serif; color:black\"">(.?)"; string input = @"age email 33 </style></head><body lang=""EN-IN""link=""#0563C1"" vlink=""#954F72"">. <divclass=""WordSection1""><p class=""MsoNormal""><spanstyle=""font- family:&quot;Calibri&quot;,sans-serif; color:black"">Iam not interested. Please unsubscribe me.&nbsp;</span></p><pclass=""MsoNormal""> <spanstyle=""font-family:&quot;Calibri&quot;,sans-serif;color:black"">&nbsp; 22 </style></head><body lang=""EN-IN""link=""#0563C1"" vlink=""#954F72""> <divclass=""WordSection1""><p class=""MsoNormal""><spanstyle=""font- family:&quot;Calibri&quot;,sans-serif;color:black"">Please share company details</span></p><divclass=""MsoNormal"" align=""center""style=""text- align:center""><hr size=""2""width=""98%"" align=""center""></div> <pclass=""MsoNormal""> 43 </style></head><body lang=""EN-IN""link=""#0563C1"" vlink=""#954F72""> <divclass=""WordSection1""><p class=""MsoNormal""><spanstyle=""font- family:&quot;Calibri&quot;,sans-serif;color:black"">Can you send some project info for west region ofIndia</span></p><p class=""MsoNormal""> <spanstyle=""font-family:&quot;Calibri&quot;,sans-serif;color:black""> 38 </style></head><bodylang=""EN-IN"" link=""#0563C1""vlink=""#954F72""><div class=""WordSection1""><pclass=""MsoNormal""><span style=""font- family:&quot;Calibri&quot;,sans-serif;color:black"">Price of Mono perc</span> </p><divclass=""MsoNormal"" align=""center""style=""text-align:center""><hr size=""2""width=""98%"" align=""center""></div><pclass=""MsoNormal""><b>"; 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