Split
Split is an operation or function that divides a string or sequence into parts according to a separator, pattern, or other rule.
Tiny Python Projects: Learn coding and testing with puzzles and games
str.split() is a Python string method that divides a string into a list of substrings using a separator or, by default, whitespace.
- How it is used
- Applies string splitting to count tokens, build word lists, parse simple delimited records, and prepare text for transformations.
- How deep it goes
- Explains default whitespace and explicit separators through runnable examples, but defers robust word tokenization and full CSV handling.
- Examples
- Demonstrates word counting, multiline adjective lists, insult generation, text tokenization, gematria encoding, and manual CSV records.
- What you can do after
- Apply it via Python string methods to turn whitespace- or delimiter-separated text into lists for counting, validation, and further processing.
Read how Tiny Python Projects: Learn coding and testing with puzzles and games explains split →
The Quick Python Book, Fourth Edition
split is a string method that divides a string into a list of substrings according to a separator or, by default, whitespace.
- How it is used
- Parses text into words, paragraphs, or delimited fields for file processing.
- How deep it goes
- Explains default and explicit separators, limited splits, and omitted delimiters; stops short of implementation internals.
- Examples
- Uses mixed whitespace, substring splitting, pipe-delimited temperature data, blank-line paragraphs, and a file character-count error.
- What you can do after
- Apply it via Python strings to extract text fields and avoid losing separators needed for counts.
Read how The Quick Python Book, Fourth Edition explains split →
Python Workout, Second Edition
str.split is the Python string method that divides a string into a list of substrings using a specified separator or, by default, runs of whitespace.
- How it is used
- Turns sentences, file lines, and user input into fields for later processing.
- How deep it goes
- Explains separators, whitespace defaults, maxsplit, returned lists, and failure cases; stops short of implementing multiple separators without re.split.
- Examples
- Uses Pig Latin sentences, colon-delimited passwd records, calculator expressions, file word counts, and whitespace-separated integers.
- What you can do after
- Apply it via Python's str.split to tokenize text, unpack fields, cap splits, and feed results into later transformations.
Python Workout: 50 ten-minute exercises
str.split is a Python string method that divides a string into a list of substrings using a specified separator or runs of whitespace by default.
- How it is used
- Deploys string splitting to transform sentences, parse file records, count words, and process whitespace-separated input.
- How deep it goes
- Explains separators, repeated whitespace, list results, immutable-string trade-offs, and the need for re.split with multiple delimiters.
- Examples
- Uses Pig Latin sentences, colon-separated password records, Apache logs, text files, and whitespace-separated integers.
- What you can do after
- Apply str.split with explicit or default delimiters, then combine, filter, convert, count, or transform the resulting substrings.
Read how Python Workout: 50 ten-minute exercises explains split →
Python How-To
Split is a regular-expression method that divides a string at occurrences of matched patterns, optionally limiting the number of divisions.
- How it is used
- Processes strings by dividing them at regular-expression matches.
- How deep it goes
- Defines pattern-based splitting, optional maximum splits, and contrasts it with literal splitting and rsplit.
- Examples
- Uses digit-pattern splitting, comma-separated task records, and comparisons between split and rsplit.
- What you can do after
- Apply it via Python regular-expression calls to separate text at flexible patterns and optionally cap the divisions.
Deep Learning with R, Third Edition
Splitting is the segmentation of text into a sequence of individual tokens.
- How it is used
- Prepares written text for numeric representation by dividing it into tokens before indexing and modeling.
- How deep it goes
- Explains character and word splitting with runnable R functions, punctuation handling, regex context, and vocabulary indexing, but defers regex instruction.
- Examples
- Uses the sentence "The quick brown fox jumped over the lazy dog." to demonstrate character tokens, word tokens, punctuation, and vocabulary IDs.
- What you can do after
- Apply splitting via stringr boundary functions to produce character or word tokens for later vocabulary indexing.
Read how Deep Learning with R, Third Edition explains split →
Get Programming: Learn to code with Python
split is a Python string method that divides a string at occurrences of a separator and returns the resulting parts as a list.
- How it is used
- Converts delimited strings into lists for easier analysis and later list operations.
- How deep it goes
- Demonstrates one-line conversion, explains the resulting list, and applies splitting after text cleanup.
- Examples
- Uses comma-separated emails and cities, cleaned document text, and short separator-focused practice questions.
- What you can do after
- Apply it by converting comma- or space-delimited strings into lists for sorting and word processing.
Read how Get Programming: Learn to code with Python explains split →
Julia as a Second Language
split is a Julia function that divides a string into substrings based on a delimiter, character predicate, or whitespace.
- How it is used
- Separates text records into fields for file processing and tests character-based word boundaries.
- How deep it goes
- Demonstrates character and predicate delimiters, substring results, and discarded split characters through runnable examples.
- Examples
- Uses pizza-sales and rocket-engine records, whitespace splitting, and a failed camel-case split.
- What you can do after
- Build it from scratch: separate simple comma-delimited lines into fields and parse numeric fields for a usable record.
Graph Algorithms for Data Science
A split function divides a string around a delimiter and returns the resulting elements as a list.
- How it is used
- Extracts hashtag tokens from tweet text as part of a Cypher-based graph data preparation workflow.
- How deep it goes
- Defines the function and demonstrates its place in a cleaning, filtering, normalization, and list-processing pipeline.
- Examples
- Uses newline-cleaned tweets split on spaces to produce normalized hashtag lists.
- What you can do after
- Apply via Cypher to convert delimited strings into lists for filtering, transforming, or storing extracted elements.
Learn AI-Assisted Python Programming, Second Edition
The string split method divides text around a separator and returns the resulting parts as a list.
- How it is used
- Separates columns from lines read in a comma-separated statistics file.
- How deep it goes
- Defines the separator call and list result, then demonstrates indexing and repeated processing without discussing implementation internals.
- Examples
- Uses NFL offensive statistics, comma-separated headers, player names, positions, and passing-yard columns.
- What you can do after
- Apply it via Python to extract fields from delimited lines and process those fields in file-reading programs.
Read how Learn AI-Assisted Python Programming, Second Edition explains split →
100 Java Mistakes and How to Avoid Them
- How it is used
- Diagnoses delimiter mistakes when splitting Java strings with regex-aware APIs.
- How deep it goes
- Explains regex interpretation, Java escaping, limit semantics, and literal-splitting alternatives.
- Examples
- Uses java.util.concurrent, a comma-separated string with trailing commas, and literal-dot splitting.
- What you can do after
- Apply Java String.split() safely with escaped or quoted delimiters and deliberate limit values.
Read how 100 Java Mistakes and How to Avoid Them explains split →
Related concepts
- listproduces · A list is an ordered collection of elements arranged in a sequence.
- regular expressionuses · A formal pattern notation that describes sets of strings and enables text to be matched, searched, extracted, or transformed.
- file pathalternative to · A file path is a textual or structured identifier specifying the location of a file or directory in a filesystem.
- tokenizationpart of · Tokenization is the process of dividing text or other sequential input into discrete units called tokens for computational processing.
- stringuses · A string is a programming-language value representing an ordered sequence of characters or character units as text.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.