eslint/docs/src/rules/wrap-regex.md

   1 ---
   2 title: wrap-regex
   3 layout: doc
   4 rule_type: layout
   5 ---
   6
   7
   8
   9 When a regular expression is used in certain situations, it can end up looking like a division operator. For example:
  10
  11 ```js
  12 function a() {
  13     return /foo/.test("bar");
  14 }
  15 ```
  16
  17 ## Rule Details
  18
  19 This is used to disambiguate the slash operator and facilitates more readable code.
  20
  21 Example of **incorrect** code for this rule:
  22
  23 ::: incorrect
  24
  25 ```js
  26 /*eslint wrap-regex: "error"*/
  27
  28 function a() {
  29     return /foo/.test("bar");
  30 }
  31 ```
  32
  33 :::
  34
  35 Example of **correct** code for this rule:
  36
  37 ::: correct
  38
  39 ```js
  40 /*eslint wrap-regex: "error"*/
  41
  42 function a() {
  43     return (/foo/).test("bar");
  44 }
  45 ```
  46
  47 :::