count#

Counts the number of occurrences of a substring in a string.

Usage Scenarios#

• Data Analysis: When analyzing text data, count the frequency of specific keywords.
• Text Processing: In text editors or search engines, count the number of occurrences of a search term.

Example#

import { count } from 'funtool/string'

count('hello world, hello again', 'hello'); // ✅ 2
count('abc', 'x'); // ❌ 0

Signature#

function count(str: string, substr: string): number

Parameters#

• str ( string ): The input string.
• substr ( string ): The substring to count.

Returns#

• ( number ): The number of times the substring appears in the string.