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title: Test if a String Contains a Substring
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## Test if a String Contains a Substring

This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-string-contains-a-substring/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.

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