regexp/no-legacy-features

disallow legacy RegExp features

• ⚙️ This rule is included in "plugin:regexp/recommended".

📖 Rule Details

This rule disallow legacy RegExp features.

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🔧 Options

{
  "regexp/no-legacy-features": ["error", {
    "staticProperties": [
      "input", "$_",
      "lastMatch", "$&",
      "lastParen", "$+",
      "leftContext", "$`",
      "rightContext", "$'",
      "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9"
    ],
    "prototypeMethods": ["compile"] 
  }]
}

• staticProperties ... An array of legacy static properties to forbid.
• prototypeMethods ... An array of legacy prototype methods to forbid.

📚 Further reading

• Legacy RegExp features in JavaScript (opens new window)

🚀 Version

This rule was introduced in eslint-plugin-regexp v0.6.0

🔍 Implementation

• Rule source (opens new window)
• Test source (opens new window)