The snippet library.
Small, practical examples. Search by task or narrow things down below.
Extract a substring with an explicit count
C++: The second substr argument is a length rather than an ending index.
C++✓ Tested
Extract a substring with range syntax
C#: C# range ends are exclusive; indices operate on UTF-16 code units.
C#✓ Tested
Extract all integer tokens from text
C#: Enumerate Match objects returned by Regex.Matches with an explicit timeout.
C#✓ Tested
Extract all regex matches with their groups
JavaScript: matchAll requires a global regular expression and returns an iterator of matches.
JavaScript✓ Tested
Extract all regex matches with their groups
TypeScript: matchAll requires a global regular expression and returns an iterator of matches.
TypeScript✓ Tested
Extract digit sequences
Extract digit sequences using a complete Go program with explicit sample inputs.
Go✓ Tested
Extract filename components
Python: Use pathlib properties to separate a directory, filename stem, and suffix.
Python✓ Tested
Extract named regex fields
Python: Use named capture groups to parse a known date-shaped identifier.
Python✓ Tested
Extract numbers from text
Find all runs of ASCII digits in a string and convert the matches to integers.
regex✓ Tested
Extract part of a date
Read a calendar component with EXTRACT.
EXTRACT✓ Tested
Extract part of a string
Use one-based positions with substr.
substr✓ Tested
Extract reusable toggle behavior
Extract reusable toggle behavior with a small React component and explicit browser behavior.
React✓ Tested