Programming Language Cheat Sheets: Documentation Links

Documentation links for various programming languages. Strings Mathematics Operators and Symbols General (Control Flow/Debugging) Dates Objects New Features Timelines Documentation Links Sections: General (Multiple Languages) Regular Expressions (RegEx) (Multiple Languages) General (Specific Languages) Format/Sprintf Escape Characters Dates / Date Formats

General (Multiple Languages):

Regular Expressions (RegEx) (Multiple Languages):

[Regular-Expressions.info] Compare Regular Expression Flavors Popular Tools, Utilities and Programming Languages That Support Regular Expressions Regular Expressions Reference: Anchors [e.g. ^, $, \G, \z] Regular Expression Reference: Special Groups [e.g. look-ahead: (?=) and (?!), look-behind: (?<=) and (?<!), \K] [RexEgg] Backtracking Control Verbs Tutorial [RegEx for AutoHotkey] [AutoHotkey has a good set of RegEx features (via RegExMatch and RegExReplace)] [many features are available that are not listed here, e.g. \G] Regular Expressions (RegEx) - Quick Reference | AutoHotkey v2 [AutoHotkey v2.0 is written in C++, it uses PCRE1 8.30, see 'lib_pcre'] AutoHotkey/source at v2.0 · AutoHotkey/AutoHotkey · GitHub [a RegEx tutorial for AutoHotkey] jeeswg's RegEx tutorial (RegExMatch, RegExReplace) - AutoHotkey Community [PCRE1 and PCRE2] pcre.txt pcre2.txt [Bazzle (this website)][various RegEx one-liners] Strings - Programming Language Cheat Sheets - Bazzle

General (Specific Languages):

Format/Sprintf:

[AutoHotkey] Format - Syntax & Usage | AutoHotkey v2 [C] printf, fprintf, sprintf, snprintf, printf_s, fprintf_s, sprintf_s, snprintf_s - cppreference.com [C++] Standard format specification - cppreference.com std::printf, std::fprintf, std::sprintf, std::snprintf - cppreference.com A `printf` format reference page (cheat sheet) (C, Java, Scala, etc.) | alvinalexander.com [C#] Standard numeric format strings - .NET | Microsoft Learn Custom numeric format strings - .NET | Microsoft Learn System.String.Format method - .NET | Microsoft Learn String.Format Method (System) | Microsoft Learn [Crystal] Top Level Namespace - Crystal 1.12.1 [Dart] sprintf - Dart API docs [also: toStringAsFixed/toStringAsPrecision/padLeft] [Elixir] io — stdlib v7.2.1 [format] [Erlang] io — stdlib v7.2.1 [format] [Excel] [Excel VBA] [Go] fmt package - fmt - Go Packages [Google Sheets] TEXT - Google Docs Editors Help [Haskell] Text.Printf [Java] Formatter (Java Platform SE 8 ) Java String format() method - javatpoint Formatting Numeric Print Output (The Java™ Tutorials > Learning the Java Language > Numbers and Strings) [JavaScript] Template literals (Template strings) - JavaScript | MDN [Kotlin] Formatter (Java Platform SE 8 ) format - Kotlin Programming Language Strings | Kotlin Documentation [Lisp (Common Lisp)] 22.3.3. Formatted Output to Character Streams [format] CLHS: Section 22.3 [format] [Lua] string.format() - Lua | Version 5.4 Docs [Mathematica] StringTemplate—Wolfram Documentation NumberForm: Display a number to specified precision—Wolfram Documentation [Maxima] Maxima 5.49.0 Manual [printf] [Pascal (Free Pascal)] Format [Perl] sprintf - Perldoc Browser [PHP] PHP: sprintf - Manual [Python] string — Common string operations — Python 3.12.2 documentation 7.2.2. The string format operator [QBasic] QBasic Help [PRINT USING] [R] sprintf function - RDocumentation [Raku] Independent routines | Raku Documentation [sprintf] sprintf | Raku Documentation [Ruby] format_specifications - RDoc Documentation [Rust] std::fmt - Rust [Scala] String Interpolation | Scala 3 — Book | Scala Documentation [SQL] [SQL (MySQL)] [note: no 'sprintf' equivalent] [note: 'format' has limited functionality] MySQL :: MySQL 8.4 Reference Manual :: 14.8 String Functions and Operators [SQL (PostgreSQL)] PostgreSQL: Documentation: 17: 9.4. String Functions and Operators [SQL (SQL Server)] Custom numeric format strings - .NET | Microsoft Learn FORMAT (Transact-SQL) - SQL Server | Microsoft Learn [SQL (SQLite)] SQLite's Built-in printf() [Swift] String Format Specifiers String Format Specifiers What are the supported Swift String format specifiers? - Stack Overflow [TypeScript]

Escape Characters:

Documentation pages that state the escape character, e.g. '\', and which characters can be obtained using it. E.g. '\t', '\r', '\n'. E.g. '\x', '\u'. Or if not applicable, alternatives such as doubling up quotes or using a Chr()/Char() function. [AutoHotkey] Escape Sequences - Definition & Usage | AutoHotkey v2 [C] Escape sequences - cppreference.com [C++] Escape sequences - cppreference.com [C#] Strings - C# Programming Guide - C# | Microsoft Learn [Crystal] String - Crystal [Dart] Built-in types Built-in types DartLangSpecDraft.pdf [Elixir] String — Elixir v1.19.5 Binaries, strings, and charlists — Elixir v1.19.5 [Erlang] Data Types — Erlang System Documentation v28.3.3 Erlang -- Data Types [Excel] [Excel VBA] Miscellaneous constants | Microsoft Learn [Go] The Go Programming Language Specification - The Go Programming Language [Google Sheets] CHAR - Google Docs Editors Help [note: use "" or CHAR(34) for a literal double quote char] [Haskell] The Haskell 98 Report: Predefined Types and Classes [Java] Characters (The Java™ Tutorials > Learning the Java Language > Numbers and Strings) [JavaScript] Lexical grammar - JavaScript | MDN Character escape: \n, \u{...} - JavaScript | MDN [Kotlin] Characters | Kotlin Documentation [Lisp (Common Lisp)] Lisp String Escape Sequences [Lua] Lua 5.4 Reference Manual [Mathematica] Input Syntax—Wolfram Documentation [Maxima] Maxima 5.49.0 Manual ['There is no way to represent a special character (such as tab, newline, or carriage return) except by embedding the literal character in the string.'] [Pascal (Free Pascal)] Constant strings Character strings [Perl] perlop - Perl expressions: operators, precedence, string literals - Perldoc Browser [PHP] PHP: Strings - Manual [Python] 2. Lexical analysis — Python 3.12.3 documentation [QBasic] QBasic Help [CHR$() function] QBasic Help ['String expressions assigned to a symbolic constant may consist only of a single literal string, enclosed in double quotation marks.'] QB64.com | QB64 is a modern extended BASIC programming language that retains QBasic/QuickBASIC 4.5 compatibility and compiles native binaries for Windows, Linux, and macOS. ['Quotes cannot be inside of a literal STRING! Use CHR$(34) concatenation to insert quotation marks into a literal string.'] [R] R Language Definition [Raku] Syntax | Raku Documentation old-design-docs/S02-bits.pod at master · Raku/old-design-docs · GitHub [Ruby] literals - Documentation for Ruby 3.4 [Rust] Tokens - The Rust Reference [Scala] Lexical Syntax | Scala 2.12 [SQL] [SQL (MySQL)] MySQL :: MySQL 8.4 Reference Manual :: 11.1.1 String Literals [SQL (PostgreSQL)] PostgreSQL: Documentation: 17: 4.1. Lexical Structure [SQL (SQL Server)] Constants (Transact-SQL) - SQL Server | Microsoft Learn SET QUOTED_IDENTIFIER (Transact-SQL) - SQL Server | Microsoft Learn STRING_ESCAPE (Transact-SQL) - SQL Server | Microsoft Learn [SQL (SQLite)] SQL Language Expressions [Swift] Strings and Characters | Documentation Character | Apple Developer Documentation [TypeScript]

Dates / Date Formats:

[note: general] UK/US holidays - Bazzle UK/US holidays definitions - Bazzle [AutoHotkey] FormatTime - Syntax & Usage | AutoHotkey v2 [C] tm - cppreference.com [C++] std::formatter<std::chrono::zoned_time>, std::chrono::local_time_format - cppreference.com std::strftime - cppreference.com std::put_time - cppreference.com Date and time library - cppreference.com [C#] Custom date and time format strings - .NET | Microsoft Learn Standard date and time format strings - .NET | Microsoft Learn DateTime Struct (System) | Microsoft Learn DateTimeOffset Struct (System) | Microsoft Learn TimeZoneInfo Class (System) | Microsoft Learn [Crystal] Time::Format - Crystal 1.17.0-dev Time - Crystal 1.17.0-dev Time::Location - Crystal 1.17.0-dev [Dart] DateFormat class - intl library - Dart API [Elixir] Calendar.strftime options generator for CLDR — Cldr Strftime Options generator for Calendar.strftime/3 v1.0.1 [Erlang] io — stdlib v7.2.1 [use format to zero-pad ints] [Excel] Format numbers as dates or times - Microsoft Support Format a date the way you want in Excel - Microsoft Support TEXT function - Microsoft Support Excel incorrectly assumes that the year 1900 is a leap year - Microsoft 365 Apps | Microsoft Learn [Excel VBA] Format function (Visual Basic for Applications) | Microsoft Learn Format or DatePar functions return a wrong week number for a date - Microsoft 365 Apps | Microsoft Learn [Format/DatePart] DatePart function (Visual Basic for Applications) | Microsoft Learn DateAdd Function - Microsoft Support [Go] time package - time - Go Packages [Constants (for Time.Format/time.Parse)] time package - time - Go Packages [Time.Format] time package - time - Go Packages [Google Sheets] TEXT - Google Docs Editors Help [Haskell] Data.Time.Format [Java] DateTimeFormatter (Java Platform SE 8 ) TextStyle (Java Platform SE 8 ) ChronoUnit (Java Platform SE 8 ) ChronoField (Java Platform SE 8 ) IsoEra (Java Platform SE 8 ) ZonedDateTime (Java Platform SE 8 ) LocalDateTime (Java Platform SE 8 ) Instant (Java Platform SE 8 ) OffsetDateTime (Java Platform SE 8 ) YearMonth (Java Platform SE 8 ) ZoneId (Java Platform SE 8 ) [ZoneRegion] ZoneRules (Java Platform SE 8 ) ZoneOffset (Java Platform SE 8 ) TemporalAdjusters (Java Platform SE 8 ) IsoFields (Java Platform SE 8 ) WeekFields (Java Platform SE 8 ) [JavaScript] Intl.DateTimeFormat() constructor - JavaScript | MDN Date - JavaScript | MDN [Kotlin] [note: see Java] [Lisp (Common Lisp)] CLHS: Function GET-UNIVERSAL-TIME, GET-DECODED-TIME CLHS: Section 22.3 local-time - Date and Time Manipulation - common-lisp-libraries [Lua] Lua 5.4 Reference Manual ['If format is not "*t", ... formatted according to the same rules as the ISO C function strftime. [Mathematica] DateString—Wolfram Documentation [Maxima] Maxima 5.49.0 Manual Maxima 5.49.0 Manual Maxima 5.49.0 Manual [Pascal (Free Pascal)] Date and time formatting characters [Perl] POSIX - Perl interface to IEEE Std 1003.1 - Perldoc Browser DateTime - A date and time object for Perl - metacpan.org [PHP] PHP: DateTimeInterface::format - Manual PHP: Supported Date and Time Formats - Manual PHP: DateInterval::format - Manual PHP: Date/Time Functions - Manual [Python] datetime — Basic date and time types — Python 3.12.1 documentation strftime(3) — manpages-dev — Debian bookworm — Debian Manpages [QBasic] QBasic Help [equivalent to 'Help' in QBasic 1.1 menu bar] QBasic and QuickBasic Manuals ['QuickBASIC 7.1' had extra date functions e.g. DayOfWeek()] [R] R: Date-time Conversion Functions to and from Character R: Get Current Date and Time R: Date Class R: Date-Time Classes [Raku] class DateTime | Raku DocumentationA [Ruby] strftime_formatting - Documentation for Ruby 3.5 class Time - Documentation for Ruby 3.5 class Time - RDoc Documentation [Rust] chrono::format::strftime - Rust chrono - Rust std::time - Rust [Scala] [note: see Java] [SQL] [SQL (MySQL)] MySQL :: MySQL 8.4 Reference Manual :: 14.7 Date and Time Functions [DATE_FORMAT] MySQL :: MySQL 8.4 Reference Manual :: 14.7 Date and Time Functions MySQL :: MySQL 8.4 Reference Manual :: 11.5 Expressions [temporal intervals] [SQL (PostgreSQL)] PostgreSQL: Documentation: 17: 9.8. Data Type Formatting Functions PostgreSQL: Documentation: 17: 9.9. Date/Time Functions and Operators [SQL (SQL Server)] Date and Time Data Types and Functions - SQL Server (Transact-SQL) | Microsoft Learn [SQL (SQLite)] Date And Time Functions [Swift] UTS #35: Unicode LDML: Dates Date Formatters [see 'Fixed Formats' for links to 'format patterns from the Unicode Technical Standard #35'] dateFormat | Apple Developer Documentation Date | Apple Developer Documentation TimeZone | Apple Developer Documentation [TypeScript]