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Checks if a string contains another string.


vcc.contains(haystack: string, needle: string): boolean

Searches the needle in the haystack.


It looks for the needle within this string.

It looks for this element within the haystack.

Return values

Returns true if the needle is found in the haystack, false otherwise.


We have a comma-separated list of allowed postal codes, and we want to check the given one.

const allowedValues = '2034,2579,1069,5173';
if (!vcc.contains(allowedValues, '2034')) {
    vcc.alert('The post code is not allowed');

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