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

Substitution

Processing...

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"(?m)\s*'\s*(.*?)\s*'\s*(?:,\s*|$)"; string substitution = @"\1\\n"; string input = @"'MLS Number\n2201211\nCounty\nCass\nCity\nRaymore\nSub Div\nEvan Brook\nType\nSingle Family\nFloor Plan Description\nSplit Entry\nBdrms\n4\nBaths Full\n3\nBaths Half\n0\nAge Description\n16-20 Years\nYear Built\n2003\nSqft Main\n1500\nSQFT MAIN SOURCE\nOwner\nBelow Grade Finished Sq Ft\n500\nBelow Grade Finished Sq Ft Source\nOwner\nSqft\n2000\nLot Size\n115x130\nSchool District\nRaymore-Peculiar\nLegal Description\nEVAN-BROOK LOT 184\nS Terms\nConventional', 'Fireplace?\nY\nFireplace Description\nFamily Room\nBasement\nY\nBasement Description\nConcrete, Finished, Walk Out\nDining Area Description\nKit/Dining Combo\nUtility Room\nOff The Kitchen, Laundry Room\nOther Room\nFamily Room\nInterior Features\nKitchen Island, Painted Cabinets, Vaulted Ceiling, Walk-In Closet, Whirlpool Tub, Wood Floor\nEquipment\nCeiling Fan(s), Dishwasher, Disposal, Gar Door Opener(s), Rng/Oven- Electric, Refrigerator, Stainless Appliances', 'Rooms\nLiving Room\nLevel 1\nKitchen\nLevel 1\nLiving Rm- 2nd\nLevel B\nBathroom Full\nLevel 1\nMaster Bedroom\nLevel 1\nMaster Bathroom\nLevel 1\nSecond Bedroom\nLevel 1\nThird Bedroom\nLevel 1\nFourth Bedroom\nLevel B\n2nd Full Bath\nLevel B', 'Garage/Parking?\nY\nGarage/Parking #\n3\nGarage Description\nAttached, Side Entry\nConstruction\nFrame\nArchitecture\nTraditional\nRoof\nComposition\nLot Description\nCorner Lot\nIn Floodplain\nNo\nExterior Features\nDeck, Fence- Wood, Porch, Storage Shed', 'Central Air\nY\nHeat\nForced Air Gas\nCool\nCentral Electric\nWater\nCity/Public\nSewer\nCity/Public' "; 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