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This article will discuss how to check if a JavaScript string contains both letters and numbers. We will look at various methods for checking if a string contains both letters and numbers, and discuss the pros and cons of each approach. We will also provide code examples to help illustrate the different methods. Finally, we will provide a summary of the best approach for checking if a string contains both letters and numbers.<\/p>\n
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\/\/ This function checks if a string contains only letters and numbers
\nfunction isAlphaNumeric(str) {
\n return \/^[a-z0-9]+$\/i.test(str);
\n} <\/p>\n
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