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C#Text validation & encoding

Extract all integer tokens from text

C#: Enumerate Match objects returned by Regex.Matches with an explicit timeout.

C#✓ Tested
GoStrings & text

Extract digit sequences

Extract digit sequences using a complete Go program with explicit sample inputs.

Go✓ Tested
PythonStrings & dates

Extract numbers from text

Find all runs of ASCII digits in a string and convert the matches to integers.

regex✓ Tested
PostgresDates & series

Extract part of a date

Read a calendar component with EXTRACT.

EXTRACT✓ Tested
PythonCollections

Filter a list with a condition

Build a new list containing only the values that satisfy a condition using a list comprehension.

list✓ Tested
SQLExpressions & aggregates

Filter aggregate groups

Keep only categories with multiple products.

HAVING✓ Tested
CArray transformations

Filter an array in place with a write index

C: Only retained values advance the write position.

C✓ Tested
C#Collections

Filter even numbers

Use LINQ Where to keep even C# values.

C#✓ Tested
JavaCollections

Filter even numbers

Use a Java stream to collect only even values.

Java✓ Tested
JavaScriptArrays

Filter even numbers

Create a JavaScript array containing only even values.

JavaScript✓ Tested
GitCommit history & revision selection

Filter history by its author identity

Git: The author filter selects commits by their recorded author metadata.

Git✓ Tested
GoSlices & collections

Filter values into a new slice

Filter values into a new slice using a complete Go program with explicit sample inputs.

Go✓ Tested