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Small, practical examples. Search by task or narrow things down below.

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PowerShellText & data

Replace repeated whitespace

Normalize runs of whitespace to one space.

regex✓ Tested
Bash ScriptsGetting Started

Replace text with parameter expansion

Bash Scripts: Replace text with parameter expansion with a small standalone Bash program.

Bash Scripts✓ Tested
C++Strings

Replace the first match

Find and replace one literal substring in C++.

C++✓ Tested
ReactAsync work & status

Report partial success from multiple actions

Report partial success from multiple actions with a small React component and explicit browser behavior.

React✓ Tested
AngularTemplate-driven forms

Require a minimum text length

Require a minimum text length with a standalone Angular component and explicit browser behavior.

Angular✓ Tested
HTMLInput constraints

Require numeric values on a chosen step

HTML: The step interval is measured from the minimum value when one is provided.

HTML✓ Tested
ReactEffects & lifecycle

Rerun an effect when its dependency changes

Rerun an effect when its dependency changes with a small React component and explicit browser behavior.

React✓ Tested
AngularReactive forms

Reset a nonnullable control to its initial value

Reset a nonnullable control to its initial value with a standalone Angular component and explicit browser behavior.

Angular✓ Tested
AngularTemplate-driven forms

Reset a template-driven form

Reset a template-driven form with a standalone Angular component and explicit browser behavior.

Angular✓ Tested
ReactForms & validation

Reset controlled form state

Reset controlled form state with a small React component and explicit browser behavior.

React✓ Tested
ReactState & reducers

Reset reducer state explicitly

Reset reducer state explicitly with a small React component and explicit browser behavior.

React✓ Tested
ReactCustom hooks

Reset state to a caller-provided initial value

Reset state to a caller-provided initial value with a small React component and explicit browser behavior.

React✓ Tested