digitRegExp property
final
Regular expression pattern to validate digits.
This pattern matches strings that consist of at least one digit.
Example:
static final RegExp digitRegExp = RegExp(r'\d');
- Matches: '0', '1', '123', 'a1b2c3', '12.34'
- Does not match: 'abc', '+-'
Implementation
static final RegExp digitRegExp = RegExp(r'\d');