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
  • Match everything enclosed
    (?:...)
  • Capture everything enclosed
    (...)
  • 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 = @"src=\""(\S+)?\"".+\s.+\s.+href=(\S+).+ember-view\"">\s+(\S+)?(?:\s(\S+))\s(\S+)\s+.+\s+.+\s.+\s\S+\s.+\s.+clamp__line.+?(?=>)\W(\s+.+(?=<!)|.+(?=<\/span>))"; string input = @"<section id=""ember381"" class=""artdeco-card artdeco-card--with-hover ember-view""><!----> <div class=""org-people-profile-card__profile-info""> <artdeco-entity-lockup stacked=""center"" size=""5"" id=""ember382"" class=""artdeco-entity-lockup--stacked-center artdeco-entity-lockup--size-5 artdeco-entity-lockup ember-view""><artdeco-entity-lockup-image id=""ember383"" class=""artdeco-entity-lockup__image artdeco-entity-lockup__image--type-circle ember-view"" type=""circle""><a data-control-name=""people_profile_card_image_link"" href=""/in/omar-bakali-85464741/"" id=""ember384"" class=""ember-view""> <img class=""lazy-image loaded"" alt=""Omar’s profile picture"" src=""https://media.licdn.com/dms/image/C4D03AQFLLRD0oaAAPw/profile-displayphoto-shrink_100_100/0?e=1565827200&amp;v=beta&amp;t=1FUl_3ALdjwdoHj0Oqq1lt5Es-0SPekm1zt-G_iVH3g"" width=""72"" height=""72""> </a> </artdeco-entity-lockup-image><artdeco-entity-lockup-content id=""ember385"" class=""artdeco-entity-lockup__content ember-view""><artdeco-entity-lockup-title id=""ember386"" class=""artdeco-entity-lockup__title ember-view""><a data-control-name=""people_profile_card_name_link"" href=""/in/omar-bakali-85464741/"" id=""ember387"" class=""link-without-visited-state ember-view""> <div id=""ember389"" class=""org-people-profile-card__profile-title t-black lt-line-clamp lt-line-clamp--single-line ember-view""> Omar Bakali <!----></div> </a> </artdeco-entity-lockup-title> <artdeco-entity-lockup-badge id=""ember390"" class=""artdeco-entity-lockup__badge ember-view""> <span class=""artdeco-entity-lockup__degree "">·&nbsp;1st</span> <!----><!----></artdeco-entity-lockup-badge> <artdeco-entity-lockup-subtitle id=""ember391"" class=""artdeco-entity-lockup__subtitle ember-view""> <div class=""t-14 t-black--light t-normal""> <div id=""ember393"" class=""ember-view""> <span class=""lt-line-clamp__line lt-line-clamp__line--last""> Founder &amp; CEO @ Ayni Widny<!----></span> <!----><span class=""lt-line-clamp__ellipsis lt-line-clamp__ellipsis--dummy"">...</span></div> </div> </artdeco-entity-lockup-subtitle><artdeco-entity-lockup-caption id=""ember394"" class=""artdeco-entity-lockup__caption ember-view""> <div class=""truncate""> ’14 Management </div> </artdeco-entity-lockup-caption></artdeco-entity-lockup-content> </artdeco-entity-lockup> <span> <img class=""lazy-image round-image EntityPhoto-circle-1 v-align-middle loaded"" alt=""lionel’s profile picture"" src=""https://media.licdn.com/dms/image/C4E03AQH3TWM5bEiO1g/profile-displayphoto-shrink_100_100/0?e=1565827200&amp;v=beta&amp;t=r1QXqaWKGQI3PAbSYD2EKibJLV2LyDNrWLJhiuUPGx8"" width=""72"" height=""72""> <span class=""t-12 t-black t-bold""> 26 shared connections </span> </span> </div> <footer class=""artdeco-card__actions""> <a data-control-name=""people_profile_card_message_link"" target=""_blank"" href=""/messaging/compose/?connId=ACoAAAjQ0AABtNb896iwtKva5joQFIxDhxGBfAQ"" id=""ember395"" class=""artdeco-button artdeco-button--tertiary artdeco-button--fluid artdeco-button--3 ember-view""> <span class=""artdeco-button__text""> Message </span> </a> </footer> </section> <section id=""ember364"" class=""artdeco-card artdeco-card--with-hover ember-view""><!----> <div class=""org-people-profile-card__profile-info""> <artdeco-entity-lockup stacked=""center"" size=""5"" id=""ember365"" class=""artdeco-entity-lockup--stacked-center artdeco-entity-lockup--size-5 artdeco-entity-lockup ember-view""><artdeco-entity-lockup-image id=""ember366"" class=""artdeco-entity-lockup__image artdeco-entity-lockup__image--type-circle ember-view"" type=""circle""><a data-control-name=""people_profile_card_image_link"" href=""/in/clementinenannan/"" id=""ember367"" class=""ember-view""> <img class=""lazy-image loaded"" alt=""Clémentine’s profile picture"" src=""https://media.licdn.com/dms/image/C5603AQHR1X88QCWsnw/profile-displayphoto-shrink_100_100/0?e=1565827200&amp;v=beta&amp;t=fwXOyrczSApTvcE6A1gP-QZLIVMJ79A6L0d1dwdQ5CU"" width=""72"" height=""72""> </a> </artdeco-entity-lockup-image><artdeco-entity-lockup-content id=""ember368"" class=""artdeco-entity-lockup__content ember-view""><artdeco-entity-lockup-title id=""ember369"" class=""artdeco-entity-lockup__title ember-view""><a data-control-name=""people_profile_card_name_link"" href=""/in/clementinenannan/"" id=""ember370"" class=""link-without-visited-state ember-view""> <div id=""ember372"" class=""org-people-profile-card__profile-title t-black lt-line-clamp lt-line-clamp--single-line ember-view""> Clémentine lucie Nannan <!----></div> </a> </artdeco-entity-lockup-title> <artdeco-entity-lockup-badge id=""ember373"" class=""artdeco-entity-lockup__badge ember-view""> <span class=""artdeco-entity-lockup__degree "">·&nbsp;1st</span> <!----><!----></artdeco-entity-lockup-badge> <artdeco-entity-lockup-subtitle id=""ember374"" class=""artdeco-entity-lockup__subtitle ember-view""> <div class=""t-14 t-black--light t-normal""> <div id=""ember376"" class=""ember-view""> <span class=""lt-line-clamp__line"">Marketing Management and</span> <span class=""lt-line-clamp__line lt-line-clamp__line--last""> Digital student at ESSEC - F<span class=""lt-line-clamp__ellipsis"">... <!----> </span></span> <!----><span class=""lt-line-clamp__ellipsis lt-line-clamp__ellipsis--dummy"">...</span></div> </div> </artdeco-entity-lockup-subtitle><artdeco-entity-lockup-caption id=""ember377"" class=""artdeco-entity-lockup__caption ember-view""> <div class=""truncate""> ’18 Marketing </div> </artdeco-entity-lockup-caption></artdeco-entity-lockup-content> </artdeco-entity-lockup> <span> <img class=""lazy-image round-image EntityPhoto-circle-1 v-align-middle loaded"" alt=""Vincent’s profile picture"" src=""https://media.licdn.com/dms/image/C4D03AQFq5VjBd4AgZQ/profile-displayphoto-shrink_100_100/0?e=1565827200&amp;v=beta&amp;t=Tt7tGo5BV12fhDTa0mMvj91f0WsArricQ0WpZXjSbKQ"" width=""72"" height=""72""> <span class=""t-12 t-black t-bold""> 24 shared connections </span> </span> </div> <footer class=""artdeco-card__actions""> <a data-control-name=""people_profile_card_message_link"" target=""_blank"" href=""/messaging/compose/?connId=ACoAABMxF04BkeFqBF-OCOXN4MA1lD7R14Fw4zQ"" id=""ember378"" class=""artdeco-button artdeco-button--tertiary artdeco-button--fluid artdeco-button--3 ember-view""> <span class=""artdeco-button__text""> Message </span> </a> </footer> </section>"; 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