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

/
/
si

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"name\s+?z155e4d1dde106c_point_test.+?(?<!meta)data\s*"".+?from\s+([^\s]+?)"""; string input = @"MAP CONFIG ""MS_ERRORFILE"" ""/srv/mapservices/mapfiles/tmp/155e4d1dde106c.log"" DEBUG 5 IMAGETYPE PNG SIZE 1600 800 STATUS ON WEB METADATA ""wms_title"" ""Generated_Mapfile"" ""wms_onlineresource"" ""http://142.207.151.5/cgi-bin/mapserv?map=/srv/portal/www/Mapservices/mapfiles/TSAZones.map&version=1.0.0&service=wms"" ""wms_srs"" ""EPSG:3005 EPSG:4269 EPSG:3857"" ""wms_enable_request"" ""*"" ""wms_feature_info_mime_type"" ""text/html"" END QUERYFORMAT text/html END PROJECTION ""init=epsg:3005"" END OUTPUTFORMAT NAME png DRIVER AGG/PNG MIMETYPE ""image/png"" IMAGEMODE RGBA EXTENSION ""png"" FORMATOPTION ""GAMMA=0.75"" TRANSPARENT ON END LAYER DEBUG 5 NAME z155e4d1dde106c_point_test DUMP TRUE TEMPLATE ""querytemplate.html"" PROJECTION ""init=epsg:3005"" END METADATA ""wms_srs"" ""EPSG:3005"" ""title"" ""TSA Zones"" ""wms_title"" ""TSA Zones"" ""wms_include_items"" ""all"" ""gml_include_items"" ""all"" END TYPE POINT CONNECTIONTYPE POSTGIS CONNECTION ""host=127.0.0.1 dbname=stewardship user=portal_readwrite password=portal_readwrite"" DATA ""wkb_geometry from z155e4d1dde106c_point_test"" CLASS STYLE COLOR 59 189 57 OUTLINECOLOR 147 155 48 OPACITY 100 END END END LAYER DEBUG 5 NAME z155e4d1dde106c_poly_test1 DUMP TRUE TEMPLATE ""querytemplate.html"" PROJECTION ""init=epsg:3005"" END METADATA ""wms_srs"" ""EPSG:3005"" ""title"" ""TSA Zones"" ""wms_title"" ""TSA Zones"" ""wms_include_items"" ""all"" ""gml_include_items"" ""all"" END TYPE POLYGON CONNECTIONTYPE POSTGIS CONNECTION ""host=127.0.0.1 dbname=stewardship user=portal_readwrite password=portal_readwrite"" DATA ""wkb_geometry from z155e4d1dde106c_poly_test1"" CLASS STYLE COLOR 121 71 143 OUTLINECOLOR 96 133 94 OPACITY 100 END END END END"; RegexOptions options = RegexOptions.Singleline | RegexOptions.IgnoreCase; Match m = Regex.Match(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