Products
  • Wolfram|One

    The definitive Wolfram Language and notebook experience

  • Mathematica

    The original technical computing environment

  • Wolfram Notebook Assistant + LLM Kit

    All-in-one AI assistance for your Wolfram experience

  • System Modeler
  • Wolfram Player
  • Finance Platform
  • Wolfram Engine
  • Enterprise Private Cloud
  • Application Server
  • Wolfram|Alpha Notebook Edition
  • Wolfram Cloud App
  • Wolfram Player App

More mobile apps

Core Technologies of Wolfram Products

  • Wolfram Language
  • Computable Data
  • Wolfram Notebooks
  • AI & Linguistic Understanding

Deployment Options

  • Wolfram Cloud
  • wolframscript
  • Wolfram Engine Community Edition
  • Wolfram LLM API
  • WSTPServer
  • Wolfram|Alpha APIs

From the Community

  • Function Repository
  • Community Paclet Repository
  • Example Repository
  • Neural Net Repository
  • Prompt Repository
  • Wolfram Demonstrations
  • Data Repository
  • Group & Organizational Licensing
  • All Products
Consulting & Solutions

We deliver solutions for the AI era—combining symbolic computation, data-driven insights and deep technical expertise

  • Data & Computational Intelligence
  • Model-Based Design
  • Algorithm Development
  • Wolfram|Alpha for Business
  • Blockchain Technology
  • Education Technology
  • Quantum Computation

WolframConsulting.com

Wolfram Solutions

  • Data Science
  • Artificial Intelligence
  • Biosciences
  • Healthcare Intelligence
  • Sustainable Energy
  • Control Systems
  • Enterprise Wolfram|Alpha
  • Blockchain Labs

More Wolfram Solutions

Wolfram Solutions For Education

  • Research Universities
  • Colleges & Teaching Universities
  • Junior & Community Colleges
  • High Schools
  • Educational Technology
  • Computer-Based Math

More Solutions for Education

  • Contact Us
Learning & Support

Get Started

  • Wolfram Language Introduction
  • Fast Intro for Programmers
  • Fast Intro for Math Students
  • Wolfram Language Documentation

More Learning

  • Highlighted Core Areas
  • Demonstrations
  • YouTube
  • Daily Study Groups
  • Wolfram Schools and Programs
  • Books

Grow Your Skills

  • Wolfram U

    Courses in computing, science, life and more

  • Community

    Learn, solve problems and share ideas.

  • Blog

    News, views and insights from Wolfram

  • Resources for

    Software Developers

Tech Support

  • Contact Us
  • Support FAQs
  • Support FAQs
  • Contact Us
Company
  • About Wolfram
  • Career Center
  • All Sites & Resources
  • Connect & Follow
  • Contact Us

Work with Us

  • Student Ambassador Initiative
  • Wolfram for Startups
  • Student Opportunities
  • Jobs Using Wolfram Language

Educational Programs for Adults

  • Summer School
  • Winter School

Educational Programs for Youth

  • Middle School Camp
  • High School Research Program
  • Computational Adventures

Read

  • Stephen Wolfram's Writings
  • Wolfram Blog
  • Wolfram Tech | Books
  • Wolfram Media
  • Complex Systems

Educational Resources

  • Wolfram MathWorld
  • Wolfram in STEM/STEAM
  • Wolfram Challenges
  • Wolfram Problem Generator

Wolfram Initiatives

  • Wolfram Science
  • Wolfram Foundation
  • History of Mathematics Project

Events

  • Stephen Wolfram Livestreams
  • Online & In-Person Events
  • Contact Us
  • Connect & Follow
Wolfram|Alpha
  • Your Account
  • User Portal
  • Wolfram Cloud
  • Products
    • Wolfram|One
    • Mathematica
    • Wolfram Notebook Assistant + LLM Kit
    • System Modeler
    • Wolfram Player
    • Finance Platform
    • Wolfram|Alpha Notebook Edition
    • Wolfram Engine
    • Enterprise Private Cloud
    • Application Server
    • Wolfram Cloud App
    • Wolfram Player App

    More mobile apps

    • Core Technologies
      • Wolfram Language
      • Computable Data
      • Wolfram Notebooks
      • AI & Linguistic Understanding
    • Deployment Options
      • Wolfram Cloud
      • wolframscript
      • Wolfram Engine Community Edition
      • Wolfram LLM API
      • WSTPServer
      • Wolfram|Alpha APIs
    • From the Community
      • Function Repository
      • Community Paclet Repository
      • Example Repository
      • Neural Net Repository
      • Prompt Repository
      • Wolfram Demonstrations
      • Data Repository
    • Group & Organizational Licensing
    • All Products
  • Consulting & Solutions

    We deliver solutions for the AI era—combining symbolic computation, data-driven insights and deep technical expertise

    WolframConsulting.com

    Wolfram Solutions

    • Data Science
    • Artificial Intelligence
    • Biosciences
    • Healthcare Intelligence
    • Sustainable Energy
    • Control Systems
    • Enterprise Wolfram|Alpha
    • Blockchain Labs

    More Wolfram Solutions

    Wolfram Solutions For Education

    • Research Universities
    • Colleges & Teaching Universities
    • Junior & Community Colleges
    • High Schools
    • Educational Technology
    • Computer-Based Math

    More Solutions for Education

    • Contact Us
  • Learning & Support

    Get Started

    • Wolfram Language Introduction
    • Fast Intro for Programmers
    • Fast Intro for Math Students
    • Wolfram Language Documentation

    Grow Your Skills

    • Wolfram U

      Courses in computing, science, life and more

    • Community

      Learn, solve problems and share ideas.

    • Blog

      News, views and insights from Wolfram

    • Resources for

      Software Developers
    • Tech Support
      • Contact Us
      • Support FAQs
    • More Learning
      • Highlighted Core Areas
      • Demonstrations
      • YouTube
      • Daily Study Groups
      • Wolfram Schools and Programs
      • Books
    • Support FAQs
    • Contact Us
  • Company
    • About Wolfram
    • Career Center
    • All Sites & Resources
    • Connect & Follow
    • Contact Us

    Work with Us

    • Student Ambassador Initiative
    • Wolfram for Startups
    • Student Opportunities
    • Jobs Using Wolfram Language

    Educational Programs for Adults

    • Summer School
    • Winter School

    Educational Programs for Youth

    • Middle School Camp
    • High School Research Program
    • Computational Adventures

    Read

    • Stephen Wolfram's Writings
    • Wolfram Blog
    • Wolfram Tech | Books
    • Wolfram Media
    • Complex Systems
    • Educational Resources
      • Wolfram MathWorld
      • Wolfram in STEM/STEAM
      • Wolfram Challenges
      • Wolfram Problem Generator
    • Wolfram Initiatives
      • Wolfram Science
      • Wolfram Foundation
      • History of Mathematics Project
    • Events
      • Stephen Wolfram Livestreams
      • Online & In-Person Events
    • Contact Us
    • Connect & Follow
  • Wolfram|Alpha
  • Wolfram Cloud
  • Your Account
  • User Portal
Wolfram Language & System Documentation Center
Text Content Types
  • Functions
    • Alternatives
    • Containing
    • Entity
    • RegularExpression
    • StringExpression
    • Verbatim
    • Functions
      • Alternatives
      • Containing
      • Entity
      • RegularExpression
      • StringExpression
      • Verbatim
GUIDE
  • Functions
    • Alternatives
    • Containing
    • Entity
    • RegularExpression
    • StringExpression
    • Verbatim
    • Functions
      • Alternatives
      • Containing
      • Entity
      • RegularExpression
      • StringExpression
      • Verbatim

Text Content Types

Natural language processing functions such as TextCases, TextPosition and TextContents allow many different types of content to be identified in text. Some of these types of content are structural or grammatical, while others relate to semantic interpretation.

Containing — define containers (e.g. sentences) for matches

Alternatives — match to multiple types

Verbatim — strings to match verbatim

StringExpression  ▪  RegularExpression

Structural Elements

"Word" — word-like unit (usually delimited by whitespace or punctuation)

"Sentence" — sentence-like unit (usually delimited by punctuation marks)

"Paragraph" — paragraph-like unit (delimited by multiple newlines)

"Quotation" — quotation delimited by quotation marks

"Line" — substring delimited by a newline

"NonText" — characters that are not ordinary letter-like text

"Punctuation" — punctuation mark

"Whitespace" — sequence of whitespace characters

"Emoticon" — emoticon (e.g. smiley faces)

Parts of Speech

"Noun"  ▪  "Verb"  ▪  "Adjective"  ▪  "Adverb"  ▪  "Pronoun"  ▪  "Preposition"  ▪  "Conjunction"  ▪  "Determiner"  ▪  "Interjection"

"ProperNoun" — a proper noun, typically beginning with a capital letter

"WhPronoun"  ▪  "WhAdverb"  ▪  "WhDeterminer"

"Punctuation"  ▪  "PossessiveModifier"  ▪  "ListItemMarker"  ▪  "Symbol"  ▪  "ForeignWord"

Phrase Types

"NounPhrase"  ▪  "VerbPhrase"  ▪  "AdjectivePhrase"  ▪  "AdverbPhrase"  ▪  "PrepositionalPhrase"  ▪  "ConjunctionPhrase"

"WhNounPhrase"  ▪  "WhAdjectivePhrase"  ▪  "WhAdverbPhrase"  ▪  "WhPrepositionalPhrase"

"NounPhraseHead"  ▪  "QuantifierPhrase"  ▪  "UnlikeCoordinatedPhrase"

"Clause"  ▪  "ReducedRelativeClause"

"Sentence"  ▪  "Fragment"  ▪  "Parenthetical"  ▪  "ListMarker"

Quantitative Elements

"Number" — number (e.g. "67", "6.78", "6.78e+10", "two thousand")

"Quantity" — quantity with units (e.g. "4.5 km", "10 ft. 6 in.", "30C", "7 m/s", "three kilometers")

"Unit" — units (e.g. "km", "ft.", "m/s", "kilometers")

"CurrencyAmount" — currency amount (e.g. "$5", "45 pesos", "10.25 GBP", "seven euros")

"Color" — textually described color (e.g. "light blue")

Time & Place Elements

"Date" — date or date element (e.g. day, month, year, century)

"Location" — named geographic location (e.g. "New York", "France")

"LocationEntity" — named geographic location with entity interpretation

Identification Elements

"EmailAddress"  ▪  "IPAddress"  ▪  "PhoneNumber"  ▪  "URL"  ▪  "ZIPCode"

"TwitterHandle" — Twitter handle (e.g. "@Wolfram")

Entities

Entity — match a specific entity of any type, for instance:

…

Geographic Entities

"Country"  ▪  "AdministrativeDivision"  ▪  "City"  ▪  "Neighborhood"  ▪  "MetropolitanArea"  ▪  "GeographicRegion"

"Ocean"  ▪  "Island"  ▪  "UnderseaFeature"  ▪  "Reef"  ▪  "Beach"  ▪  "Lake"  ▪  "Mountain"  ▪  "Volcano"  ▪  "River"  ▪  "Waterfall"  ▪  "EarthImpact"  ▪  "Desert"  ▪  "Forest"

"Airport"  ▪  "Park"  ▪  "AmusementPark"  ▪  "AmusementParkRide"  ▪  "Stadium"

"Bridge"  ▪  "Canal"  ▪  "Tunnel"  ▪  "Dam"  ▪  "Mine"  ▪  "Cave"  ▪  "OilField"  ▪  "Building"  ▪  "Castle"  ▪  "Cemetery"  ▪  "HistoricalSite"  ▪  "ReserveLand"  ▪  "Shipwreck"

"University"  ▪  "SchoolDistrict"  ▪  "PublicSchool"  ▪  "PrivateSchool"  ▪  "Museum"  ▪  "LibraryBranch"  ▪  "LibrarySystem"

"WeatherStation"  ▪  "AstronomicalObservatory"  ▪  "ParticleAccelerator"  ▪  "NuclearReactor"  ▪  "NuclearTestSite"  ▪  "NuclearExplosion"

"TimeZone"

Astronomical Entities

"Planet"  ▪  "PlanetaryMoon"  ▪  "MinorPlanet"  ▪  "Comet"  ▪  "SolarSystemFeature"  ▪  "MeteorShower"  ▪  "Exoplanet"

"Star"  ▪  "Galaxy"  ▪  "StarCluster"  ▪  "Nebula"  ▪  "Supernova"  ▪  "Pulsar"  ▪  "AstronomicalRadioSource"  ▪  "Constellation"

Space-Related

"Satellite"  ▪  "Rocket"  ▪  "DeepSpaceProbe"  ▪  "MannedSpaceMission"

Weather & Earth Science

"WeatherStation"  ▪  "TropicalStorm"  ▪  "Cloud"  ▪  "AtmosphericLayer"

"GeologicalLayer"  ▪  "GeologicalPeriod"  ▪  "Mineral"  ▪  "FamousGem"

Transportation-Related

"Aircraft"  ▪  "Airline"  ▪  "Airport"  ▪  "Ship"

Engineering & Structures

"BroadcastStation"  ▪  "MeasurementDevice"

"Building"  ▪  "Bridge"  ▪  "Tunnel"  ▪  "Dam"  ▪  "Mine"

Culture & Entertainment

"Language"  ▪  "Religion"  ▪  "Mythology"

"Movie"  ▪  "MusicAct"  ▪  "MusicAlbum"  ▪  "MusicWork"  ▪  "BroadcastStation"

"Book"  ▪  "Artwork"  ▪  "Periodical"  ▪  "FictionalCharacter"

"Museum"  ▪  "LibraryBranch"  ▪  "LibrarySystem"

Activities & Hobbies

"MusicalInstrument"  ▪  "SportObject"  ▪  "BoardGame"

Food & Nutrition

"Food"  ▪  "FoodBrandName"  ▪  "FoodManufacturer"  ▪  "FoodSubBrandName"

Finance

"Company"  ▪  "Financial"

Person & Personal Attributes

"Person"  ▪  "GivenName"  ▪  "Surname"  ▪  "PersonTitle"  ▪  "Occupation"

History-Related

"HistoricalCountry"  ▪  "HistoricalSite"

Linguistic Entities

"Language"  ▪  "Alphabet"  ▪  "WritingScript"

Physical Science

"Chemical"  ▪  "Element"  ▪  "Particle"  ▪  "Mineral"

"FamousPhysicsProblem"  ▪  "FamousChemistryProblem"

Life Science

"Gene"  ▪  "Protein"

Medical Entities

"AnatomicalStructure"  ▪  "Disease"  ▪  "MedicalTest"  ▪  "Protein"

Organism Types

"Plant"  ▪  "Species"  ▪  "DogBreed"  ▪  "CatBreed"  ▪  "Dinosaur"

Mathematical Entities

"Polyhedron"  ▪  "Surface"  ▪  "SpaceCurve"  ▪  "Graph"  ▪  "FiniteGroup"  ▪  "IntegerSequence"

"FamousMathProblem"  ▪  "FamousMathGame"

Computing-Related

"NotableComputer"  ▪  "ProgrammingLanguage"

Language Styles & Sentiments

"PositiveSentiment"  ▪  "NegativeSentiment"  ▪  "NeutralSentiment"

"Profanity" — text containing profanity

Content Topics

"BooksTopic"  ▪  "CareerAndMoneyTopic"  ▪  "FamilyAndFriendsTopic"  ▪  "FashionTopic"  ▪  "FitnessTopic"  ▪  "FoodAndDrinkTopic"  ▪  "HealthTopic"  ▪  "LeisureTopic"  ▪  "MoviesTopic"  ▪  "MusicTopic"  ▪  "PersonalMoodTopic"  ▪  "PetsAndAnimalsTopic"  ▪  "PoliticsTopic"  ▪  "QuotesAndLifePhilosophyTopic"  ▪  "RelationshipsTopic"  ▪  "SchoolAndUniversityTopic"  ▪  "SocialMediaTopic"  ▪  "SpecialOccasionsTopic"  ▪  "SportsTopic"  ▪  "TechnologyTopic"  ▪  "TelevisionTopic"  ▪  "TransportTopic"  ▪  "TravelTopic"  ▪  "VideoGamesTopic"  ▪  "WeatherTopic"

Human Languages

"Afrikaans"  ▪  "Albanian"  ▪  "Amharic"  ▪  "Arabic"  ▪  "Armenian"  ▪  "Azerbaijani"  ▪  "Basque"  ▪  "Bengali"  ▪  "Bosnian"  ▪  "Bulgarian"  ▪  "Catalan"  ▪  "Chinese"  ▪  "Croatian"  ▪  "Czech"  ▪  "Danish"  ▪  "Dutch"  ▪  "English"  ▪  "Esperanto"  ▪  "Estonian"  ▪  "Finnish"  ▪  "French"  ▪  "Georgian"  ▪  "German"  ▪  "Greek"  ▪  "Gujarati"  ▪  "Hebrew"  ▪  "Hindi"  ▪  "Hungarian"  ▪  "Icelandic"  ▪  "InuktitutGreenlandic"  ▪  "Italian"  ▪  "Japanese"  ▪  "Kannada"  ▪  "Kazakh"  ▪  "Khmer"  ▪  "Korean"  ▪  "Latvian"  ▪  "Lithuanian"  ▪  "Macedonian"  ▪  "Majhi"  ▪  "Malay"  ▪  "Malayalam"  ▪  "Mongolian"  ▪  "Nepali"  ▪  "NorwegianBokmal"  ▪  "Persian"  ▪  "Polish"  ▪  "Portuguese"  ▪  "Romanian"  ▪  "Russian"  ▪  "Serbian"  ▪  "Sinhala"  ▪  "Slovak"  ▪  "Slovenian"  ▪  "Spanish"  ▪  "Swahili"  ▪  "Swedish"  ▪  "Tagalog"  ▪  "Tamil"  ▪  "Telugu"  ▪  "Thai"  ▪  "Turkish"  ▪  "Ukrainian"  ▪  "Urdu"  ▪  "UzbekNorthern"  ▪  "Vietnamese"  ▪  "Welsh"

Programming Languages

"ABAP"  ▪  "Ada"  ▪  "AWK"  ▪  "BourneShell"  ▪  "C"  ▪  "CPlusPlus"  ▪  "CSharp"  ▪  "COBOL"  ▪  "CommonLisp"  ▪  "D"  ▪  "Dart"  ▪  "Delphi"  ▪  "Erlang"  ▪  "FSharp"  ▪  "Fortran"  ▪  "Groovy"  ▪  "Haskell"  ▪  "Java"  ▪  "JavaScript"  ▪  "Logo"  ▪  "Lua"  ▪  "MATLAB"  ▪  "ObjectiveC"  ▪  "Perl"  ▪  "PHP"  ▪  "Prolog"  ▪  "Python"  ▪  "R"  ▪  "Ruby"  ▪  "Rust"  ▪  "SAS"  ▪  "Scala"  ▪  "Scheme"  ▪  "SQL"  ▪  "Swift"  ▪  "Tcl"  ▪  "VBSCript"  ▪  "VisualBasicNET"  ▪  "WindowsPowerShell"  ▪  "WolframLanguage"

Top
Introduction for Programmers
Introductory Book
Wolfram Function Repository | Wolfram Data Repository | Wolfram Data Drop | Wolfram Language Products
Top
  • Products
  • Wolfram|One
  • Mathematica
  • Notebook Assistant + LLM Kit
  • System Modeler

  • Wolfram|Alpha Notebook Edition
  • Wolfram|Alpha Pro
  • Mobile Apps

  • Wolfram Player
  • Wolfram Engine

  • Volume & Site Licensing
  • Server Deployment Options
  • Consulting
  • Wolfram Consulting
  • Repositories
  • Data Repository
  • Function Repository
  • Community Paclet Repository
  • Neural Net Repository
  • Prompt Repository

  • Wolfram Language Example Repository
  • Notebook Archive
  • Wolfram GitHub
  • Learning
  • Wolfram U
  • Wolfram Language Documentation
  • Webinars & Training
  • Educational Programs

  • Wolfram Language Introduction
  • Fast Introduction for Programmers
  • Fast Introduction for Math Students
  • Books

  • Wolfram Community
  • Wolfram Blog
  • Public Resources
  • Wolfram|Alpha
  • Wolfram Problem Generator
  • Wolfram Challenges

  • Computer-Based Math
  • Computational Thinking
  • Computational Adventures

  • Demonstrations Project
  • Wolfram Data Drop
  • MathWorld
  • Wolfram Science
  • Wolfram Media Publishing
  • Customer Resources
  • Store
  • Product Downloads
  • User Portal
  • Your Account
  • Organization Access

  • Support FAQ
  • Contact Support
  • Company
  • About Wolfram
  • Careers
  • Contact
  • Events
Wolfram Community Wolfram Blog
Legal & Privacy Policy
WolframAlpha.com | WolframCloud.com
© 2025 Wolfram
© 2025 Wolfram | Legal & Privacy Policy |
English