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

/
/
ms

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"(.*?)""(\w+)""\s+""([\w| .\/\\%]+)"""; string input = @" // General //------------------------------------------------------------------------------------------------------------- ""BaseClass"" ""ability_datadriven"" ""AbilityType"" ""DOTA_ABILITY_TYPE_BASIC"" ""AbilityBehavior"" ""DOTA_ABILITY_BEHAVIOR_UNIT_TARGET"" ""AbilityUnitTargetTeam"" ""DOTA_UNIT_TARGET_TEAM_ENEMY"" ""AbilityUnitTargetType"" ""DOTA_UNIT_TARGET_HERO | DOTA_UNIT_TARGET_BASIC"" ""AbilityUnitDamageType"" ""DAMAGE_TYPE_MAGICAL"" ""SpellImmunityType"" ""SPELL_IMMUNITY_ENEMIES_NO"" ""FightRecapLevel"" ""1"" ""AbilityTextureName"" ""rooting_shoot"" // Casting //------------------------------------------------------------------------------------------------------------- ""AbilityCastRange"" ""500"" ""AbilityCastPoint"" ""0.3 0.3 0.3 0.3"" // Time //------------------------------------------------------------------------------------------------------------- ""AbilityCooldown"" ""9.0 8.0 7.0 6.0"" // Cost //------------------------------------------------------------------------------------------------------------- ""AbilityManaCost"" ""115 125 140 150"" // Stats //------------------------------------------------------------------------------------------------------------- ""AbilityModifierSupportValue"" ""0.5"" // Applies multiple modifiers // Special //------------------------------------------------------------------------------------------------------------- ""AbilitySpecial"" { ""01"" { ""var_type"" ""FIELD_INTEGER"" ""damage_per_second_tooltip"" ""50"" } ""02"" { ""var_type"" ""FIELD_FLOAT"" ""duration_tooltip"" ""1.5 2.0 2.5 3.0"" } ""03"" { ""var_type"" ""FIELD_INTEGER"" ""hero_damage_tooltip"" ""150 200 250 300"" } ""04"" { ""var_type"" ""FIELD_FLOAT"" ""creep_duration_tooltip"" ""10.0 10.0 10.0 10.0"" } ""05"" { ""var_type"" ""FIELD_INTEGER"" ""creep_damage_tooltip"" ""1000"" } ""06"" { ""var_type"" ""FIELD_FLOAT"" ""damage"" ""100"" } // Extra variable ""07"" { ""var_type"" ""FIELD_FLOAT"" ""stun_duration"" ""0.1"" } ""08"" { ""var_type"" ""FIELD_FLOAT"" ""damage_interval"" ""0.5"" } ""09"" { ""var_type"" ""FIELD_INTEGER"" ""damage_per_second"" ""25"" } ""10"" { ""var_type"" ""FIELD_FLOAT"" ""duration"" ""1.0 1.5 2.0 2.5"" } ""11"" { ""var_type"" ""FIELD_FLOAT"" ""creep_duration"" ""9.5 9.5 9.5 9.5"" } } // Data driven //------------------------------------------------------------------------------------------------------------- ""precache"" { ""soundfile"" ""soundevents/game_sounds_heroes/game_sounds_crystalmaiden.vsndevts"" ""particle"" ""particles/leave_bite/leave_bite_06.vpcf"" ""particle"" ""particles/leave_bite/leave_bite_01.vpcf"" } ""OnSpellStart"" { ""TrackingProjectile"" { ""Target"" ""TARGET"" ""EffectName"" ""particles/leave_bite/leave_bite_01.vpcf"" ""MoveSpeed"" ""2000"" } ""Stun"" { ""Target"" ""TARGET"" ""Duration"" ""%stun_duration"" } ""ApplyModifier"" { ""Target"" { ""Center"" ""TARGET"" ""Types"" ""DOTA_UNIT_TARGET_HERO"" } ""ModifierName"" ""modifier_frost_bite_root_datadriven"" ""Duration"" ""%duration"" } ""ApplyModifier"" { ""Target"" { ""Center"" ""TARGET"" ""Types"" ""DOTA_UNIT_TARGET_HERO"" } ""ModifierName"" ""modifier_frost_bite_damage_datadriven"" ""Duration"" ""%duration"" } ""ApplyModifier"" { ""Target"" { ""Center"" ""TARGET"" ""Types"" ""DOTA_UNIT_TARGET_BASIC"" } ""ModifierName"" ""modifier_frost_bite_root_datadriven"" ""Duration"" ""%creep_duration"" } ""ApplyModifier"" { ""Target"" { ""Center"" ""TARGET"" ""Types"" ""DOTA_UNIT_TARGET_BASIC"" } ""ModifierName"" ""modifier_frost_bite_damage_datadriven"" ""Duration"" ""%creep_duration"" } ""FireSound"" { ""Target"" ""TARGET"" ""EffectName"" ""hero_Crystal.frostbite"" } } ""Modifiers"" { ""modifier_frost_bite_root_datadriven"" { ""IsPurgable"" ""1"" ""EffectName"" ""particles/leave_bite/leave_bite_06.vpcf"" ""States"" { ""MODIFIER_STATE_ROOTED"" ""MODIFIER_STATE_VALUE_ENABLED"" ""MODIFIER_STATE_INVISIBLE"" ""MODIFIER_STATE_VALUE_DISABLED"" } } ""modifier_frost_bite_damage_datadriven"" { ""IsPurgable"" ""1"" ""IsHidden"" ""1"" ""OnCreated"" { ""Damage"" { ""Target"" ""TARGET"" ""Damage"" ""%damage_per_second"" ""Type"" ""DAMAGE_TYPE_MAGICAL"" } } ""ThinkInterval"" ""%damage_interval"" ""OnIntervalThink"" { ""Damage"" { ""Target"" ""TARGET"" ""Damage"" ""%damage_per_second"" ""Type"" ""DAMAGE_TYPE_MAGICAL"" } } } }"; RegexOptions options = RegexOptions.Multiline | RegexOptions.Singleline; 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