containsAll

Checks if a string contains all of the given substrings.

containsAll

Signature

function containsAll(str: string, searches: string[], caseSensitive?: boolean): boolean

Parameters

• str - The string to search in
• searches - Array of substrings to search for
• caseSensitive - Whether to perform case-sensitive search (default: true)

Returns

true if all substrings are found, false otherwise.

Examples

import { containsAll } from 'strio'

// Basic usage
containsAll('hello beautiful world', ['hello', 'world'])
// true

containsAll('hello world', ['hello', 'foo'])
// false

// Case insensitive
containsAll('Hello World', ['hello', 'WORLD'], false)
// true

// Order doesn't matter
containsAll('world hello', ['hello', 'world'])
// true

// Empty array
containsAll('hello', [])
// true

Use Cases

import { containsAll } from 'strio'

// Feature validation
function hasAllFeatures(text: string, required: string[]): boolean {
  return containsAll(text.toLowerCase(), required.map(r => r.toLowerCase()))
}

// Tag filtering
function matchesAllTags(content: string, tags: string[]): boolean {
  return containsAll(content, tags, false)
}

Related Functions

• contains - Check if contains substring
• containsAny - Check if contains any substring
• count - Count occurrences

See Also

• String Validation Guide
• API Reference