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"
"
gm

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"(\+91[\s-]\d{5}[\s-]\d{5})|(011[\s-]\d{8})|(\+91\d{2}[\s-]\d{8})|(^0\d{10})|(^[6-9]\d{9})|(91[\s-]\d{3,5}[\s-]\d{2,5}[\s-]\d{4})|(91[\s-]\d{5}[\s-]\d{5})|(91[\s-]\d{10})|(\d{4}[\s-]\d{4}[\s-]\d{3})"; string input = @"r1: (\+91[\s-]\d{5}[\s-]\d{5})|(011[\s-]\d{8})|(\+91\d{2}[\s-]\d{8})|(^0\d{10})|(^[6-9]\d{9})|(91[\s-]\d{3,5}[\s-]\d{3,5}[\s-]\d{4})|(91[\s-]\d{5}[\s-]\d{5})|(91[\s-]\d{10}) +91-98600 27066 / +91-73871 11066 011-29534999, 011-29532555, 011 47527999 +9133 24798066, +9133 24483458/3459 08048620522 8046041848 91 124 392 3000 91-80884 00951 91-9821328595 91 9822015432 +91 033 2461 8212 +91 033 2461 8213 645+91-98600 270664684 / 6546+91-73871 11066656 011-29534999, 011-29532555, 011 47527999 +9133 24798066656, +9133 24483458/3459 8048620522656 8046041848656 91 124 392 3000656 91-80884 00951656 91-9821328595656656 91 9822015432656 656+91 033 2461 8212 +91 033 2461 8213656 "; 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