wrap-regex

Require parenthesis around regex literals

When a regular expression is used in certain situations, it can end up looking like a division operator. For example:

function a() {
    return /foo/.test("bar");
}

Rule Details

This is used to disambiguate the slash operator and facilitates more readable code.

Example of incorrect code for this rule:

/*eslint wrap-regex: "error"*/

function a() {
    return /foo/.test("bar");
}

Example of correct code for this rule:

/*eslint wrap-regex: "error"*/

function a() {
    return (/foo/).test("bar");
}

Version

This rule was introduced in ESLint v0.1.0.

Resources

• Rule source
• Tests source