TypeScript

const regex = /\bfaq\b/g;

console.log('suberfaq/store/faq'.replace(regex, 'help/faq'));
console.log('suberfaq/store/faq-superfaq'.replace(regex, 'help/faq'));
console.log('/faq'.replace(regex, 'help/faq'));
console.log('faq'.replace(regex, 'help/faq'));
console.log('store/faq-system'.replace(regex, 'help/faq'));

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TypeScript

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Join the 4+ million users, and keep the JSFiddle dream alive.

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Use pre-released features

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Console