prefer-question-quantifier.md

Pattern: Use of {0,1} instead of ? quantifier

Issue: -

Description

This rule is aimed at using ? quantifier instead of {0,1} in regular expressions.

Examples

/* eslint regexp/prefer-question-quantifier: "error" */
/* ✓ GOOD */
var foo = /a?/;

/* ✗ BAD */
var foo = /a{0,1}/;