valid_regexps
Use valid regular expression syntax.
Details
#DO use valid regular expression syntax when creating regular expression instances.
Regular expressions created with invalid syntax will throw a FormatException
at runtime so should be avoided.
BAD:
dart
print(RegExp(r'(').hasMatch('foo()'));
GOOD:
dart
print(RegExp(r'\(').hasMatch('foo()'));
Enable
#To enable the valid_regexps
rule, add valid_regexps
under linter > rules in your analysis_options.yaml
file:
analysis_options.yaml
yaml
linter:
rules:
- valid_regexps
If you're instead using the YAML map syntax to configure linter rules, add valid_regexps: true
under linter > rules:
analysis_options.yaml
yaml
linter:
rules:
valid_regexps: true
Unless stated otherwise, the documentation on this site reflects Dart 3.6.0. Page last updated on 2025-01-27. View source or report an issue.