# es/no-regexp-y-flag
disallow RegExp
yflag
- ✅ The following configurations enable this rule:
plugin:es/no-new-in-es2015,plugin:es/restrict-to-es3, andplugin:es/restrict-to-es5
This rule reports ES2015 RegExp y flag as errors.
# Examples
⛔ Examples of incorrect code for this rule:
/*eslint es/no-regexp-y-flag: error */
const r1 = /foo/y