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Robust Email Address Validation

Validate common email address formats using a comprehensive regular expression in JavaScript, ensuring user input meets standard requirements for web forms.

Extracting All URLs from Text

Discover and extract all HTTP/HTTPS URLs present within a block of text using a JavaScript regular expression, perfect for content parsing or link collection.

Validating and Formatting US Phone Numbers

Validate and optionally format US phone numbers (10 digits) using a flexible regular expression, accommodating various input styles for forms and data processing.

Removing Basic HTML Tags from Text

Perform basic sanitization by stripping common HTML tags from a string using a JavaScript regular expression, useful for cleaning text content.

Validating Hexadecimal Color Codes

Validate both 3-digit and 6-digit hexadecimal color codes (e.g., #FFF, #00FFCC) with an efficient JavaScript regular expression for frontend development.

Managing Complex State with `reactive` and `toRefs`

Learn how to create deeply reactive objects using `reactive` and safely destructure them in Vue 3's Composition API with `toRefs` to maintain reactivity.

Automatic Dependency Tracking with `watchEffect`

Discover `watchEffect` in Vue 3 for automatically re-running a side effect whenever its reactive dependencies change, simplifying reactive computations.

Creating Flexible Components with Default and Named Slots

Learn how to build highly reusable Vue 3 components using both default and named slots, allowing parent components to inject dynamic content.

Accessing DOM Elements Programmatically with Template Refs

Learn how to use `ref` in Vue 3 to directly access a DOM element or child component instance in your templates for programmatic manipulation.

Sharing Global State with Provide and Inject

Learn to efficiently share state across deeply nested components in Vue 3 using the `provide` and `inject` API, avoiding prop drilling for cleaner code.

Building Custom `v-model` Components with `defineModel`

Learn how to easily implement `v-model` functionality on custom Vue 3 components using the new `defineModel` macro (Vue 3.4+), simplifying two-way data binding.

Creating Flexible Components with Dynamic Slot Names

Master dynamic slots in Vue 3 to build highly configurable and reusable components, allowing parent components to inject content into specific named slots conditionally.