# regexp/no-dupe-characters-character-class

disallow duplicate characters in the RegExp character class

  • ⚙️ This rule is included in "plugin:regexp/recommended".
  • 🔧 The --fix option on the command line (opens new window) can automatically fix some of the problems reported by this rule.

Because multiple same character classes in regular expressions only one is useful, they might be typing mistakes.

var foo = /\\(\\)/;

# 📖 Rule Details

This rule disallows duplicate characters in the RegExp character class.

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# 🔧 Options

Nothing.

# 🚀 Version

This rule was introduced in eslint-plugin-regexp v0.1.0

# 🔍 Implementation

Last Updated: 6/25/2022, 12:32:38 PM