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regexp/prefer-range

💼 This rule is enabled in the ✅ plugin:regexp/recommended config.

🔧 This rule is automatically fixable by the --fix CLI option.

enforce using character class range

📖 Rule Details

This rule is aimed to use ranges instead of multiple adjacent characters in character class.

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🔧 Options

json5
{
  "regexp/prefer-range": ["error",
    {
      "target": "alphanumeric" // or "all" or [...]
    }
  ]
}
{
  "regexp/prefer-range": ["error",
    {
      "target": "alphanumeric" // or "all" or [...]
    }
  ]
}

This option can be used to override the allowedCharacterRanges setting.

It allows all values that the allowedCharacterRanges setting allows.

"target": "alphanumeric"

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"target": "all"

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"target": [ "alphanumeric", "😀-😏" ]

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🚀 Version

This rule was introduced in eslint-plugin-regexp v0.4.0

🔍 Implementation