node-lib

@wtasnorg/node-lib

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@wtasnorg/node-lib / containsRuneString

Function: containsRuneString()

containsRuneString(s, r): boolean

Defined in: src/strings.ts:218

ContainsRune reports whether the Unicode code point r is within s.

Parameters

s

string

Input string.

r

number

Unicode code point to search for.

Returns

boolean

True if r is found in s.

Example

containsRune("hello", 104); // true  — 'h' (U+0068)
containsRune("hello", 122); // false — 'z' not in "hello"
containsRune("hello", -1);  // false — negative rune always returns false
containsRune("", 97);       // false — empty string

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