icount

public unsigned int icount(string substr)

The number of occurrences of the specified substring - regardless of case - in the string.

Parameters

substr

The substring to count.

Counts the number of occurrences of the specified substring in the string while ignoring case.

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import System;   string str = "abc 123 abc 123"; Console.log(str.count("abc"));  // 2 Console.log(str.count("ABC")); // 2