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

/
/
gmD

Test String

Substitution

Processing...

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"([0-9a-z_]+\()(.*)(\);)"; string substitution = @"$2"; string input = @"x_42951_y_20871_z_16_l_phj_tm_0_28_1_0_1_3_3_0_2018_08_31_17_00({""data"":{""type"":""FeatureCollection"",""features"":[{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495920"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[253,219],[269,219],[269,235],[253,235],[253,219]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.942494,54.728433]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_162032352:650834"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[226,232],[242,232],[242,248],[226,248],[226,232]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.941914,54.728271]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_56986799:69042"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[252,181],[268,181],[268,197],[252,197],[252,181]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.942479,54.728907]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_407789202:3749044"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[3,-14],[19,-14],[19,2],[3,2],[3,-14]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.937134,54.731335]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_127125543:2960252"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[17,39],[33,39],[33,55],[17,55],[17,39]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.93743,54.730676]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_114573906:914652"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[152,107],[168,107],[168,123],[152,123],[152,107]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.940333,54.729833]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_407789202:3893830"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[227,128],[243,128],[243,144],[227,144],[227,128]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.941943,54.729564]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_407789202:3784273"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[109,179],[125,179],[125,195],[109,195],[109,179]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.939411,54.728931]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495769"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[75,65],[91,65],[91,81],[75,81],[75,65]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.938676,54.730347]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495758"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[-15,-11],[1,-11],[1,5],[-15,5],[-15,-11]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.936745,54.731297]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495759"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[-10,22],[6,22],[6,38],[-10,38],[-10,22]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.936863,54.730887]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495771"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[117,77],[133,77],[133,93],[117,93],[117,77]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.939588,54.730198]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_407789202:3786340"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[210,124],[226,124],[226,140],[210,140],[210,124]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.94157,54.729618]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_407789202:3863250"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[219,17],[235,17],[235,33],[219,33],[219,17]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.941774,54.730943]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495882"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[149,129],[165,129],[165,145],[149,145],[149,129]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.940262,54.72955]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_407789202:3901984"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[1,118],[17,118],[17,134],[1,134],[1,118]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.937102,54.729697]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_407789202:3809142"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[56,126],[72,126],[72,142],[56,142],[56,126]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.938281,54.729597]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_407789202:3749208"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[92,0],[108,0],[108,16],[92,16],[92,0]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.939054,54.731161]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_407789202:3749018"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[160,193],[176,193],[176,209],[160,209],[160,193]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.940506,54.728756]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495984"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[227,205],[243,205],[243,221],[227,221],[227,205]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.941936,54.728613]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_100504911:279347"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[107,227],[123,227],[123,243],[107,243],[107,227]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.939377,54.728343]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495879"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[249,28],[265,28],[265,44],[249,44],[249,28]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.942408,54.730811]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495873"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[244,146],[260,146],[260,162],[244,162],[244,146]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.942301,54.729339]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495916"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[195,196],[211,196],[211,212],[195,212],[195,196]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.941265,54.728719]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_256910444:20878"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[107,152],[123,152],[123,168],[107,168],[107,152]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.939372,54.729272]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_256910444:20909"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[133,48],[149,48],[149,64],[133,64],[133,48]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.939926,54.730554]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_256910444:20891"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[118,108],[134,108],[134,124],[118,124],[118,108]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.939602,54.729821]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_256910444:20728"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[33,63],[49,63],[49,79],[33,79],[33,63]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.937783,54.730373]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_100504911:278356"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[127,156],[143,156],[143,172],[127,172],[127,156]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.93979,54.729221]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_256910444:20845"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[89,213],[105,213],[105,229],[89,229],[89,213]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.938979,54.728515]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_256910444:20918"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[141,19],[157,19],[157,35],[141,35],[141,19]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.940105,54.730922]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_256910444:20827"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[80,242],[96,242],[96,258],[80,258],[80,242]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.938799,54.728147]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_135873305:495906"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[187,113],[203,113],[203,129],[187,129],[187,113]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.941083,54.729749]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_407789202:3749044"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[-12,-29],[34,-29],[34,17],[-12,17],[-12,-29]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.937134,54.731335]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_114573906:914652"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[137,92],[183,92],[183,138],[137,138],[137,92]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.940333,54.729833]}},{""type"":""Feature"",""properties"":{""HotspotMetaData"":{""id"":""img_256910444:20950"",""provider"":""fotki"",""RenderedGeometry"":{""type"":""Polygon"",""coordinates"":[[[142,-40],[188,-40],[188,6],[142,6],[142,-40]]]}},""name"":"",""description"":""},""geometry"":{""type"":""Point"",""coordinates"":[55.940432,54.731472]}}]}});"; RegexOptions options = RegexOptions.Multiline; Regex regex = new Regex(pattern, options); string result = regex.Replace(input, substitution); } }

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