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The ESLint error message "Unterminated regular expression literal" means that you have written a regular expression that has no closing delimiter (such as a slash "/") at the end of it. This causes ESLint to not be able to understand the code and to throw an error.

To resolve this error, you need to add the closing delimiter at the end of the regular expression. For example, if you have written a regular expression like:

var myRegex = /abc;

You need to add the slash at the end of the expression like:

var myRegex = /abc/;

This will close the regular expression and make it so that ESLint can understand and parse the code correctly.