Quantifiers on character classes
Regex: /-[abc]-/
Input: "-a-"
Input: "-b-"
Input: "-x-"
Input: "-ab-"
Regex: /-[abc]+-/
Input: "-a-"
Input: "-b-"
Input: "-aa-"
Input: "-ab-"
Input: "-x-"
Input: "--"
Press ← or → to navigate between chapters
Press S or / to search in the book
Press ? to show this help
Press Esc to hide this help
Regex: /-[abc]-/
Input: "-a-"
Input: "-b-"
Input: "-x-"
Input: "-ab-"
Regex: /-[abc]+-/
Input: "-a-"
Input: "-b-"
Input: "-aa-"
Input: "-ab-"
Input: "-x-"
Input: "--"