unnecessary_raw_strings

Unnecessary raw string.

This rule is available as of Dart 2.8.1.

This rule has a quick fix available.

Use raw string only when needed.

BAD:

var s1 = r'a';

GOOD:

var s1 = 'a';
var s2 = r'$a';
var s3 = r'\a';

To enable the unnecessary_raw_strings rule, add unnecessary_raw_strings under linter > rules in your analysis_options.yaml file:

linter:
  rules:
    - unnecessary_raw_strings