prefer-regex-literals

Prefer regex literals for constant patterns and flags

Constructing a regular expression from constant strings defers a fixed pattern to runtime and doubles string escaping.
Instead, you SHOULD use a regular expression literal when both the pattern and flags are constant.

- Category: style
- Level: warning
- Fix: suggestion
- Scope: module

Reported

const word = new RegExp("\\w+", "u");
Accepted

const word = /\w+/u;
Prior art

- ESLint · prefer-regex-literals

language/linter/src/rules/style/preferregexliterals.rs:8