Validators
is_numeric = RegexValidator('^[0-9]*$', 'Only numbers, leading zeros are ok.')
module-attribute
RegexValidator: Validates that a string contains only numeric characters.
This validator ensures that the input string consists solely of digits (0-9). Leading zeros are permitted in the input.
Examples:
Valid inputs: "123", "001", "0", "" Invalid inputs: "12a", "-1", "1.0", "1,000"
Attributes:
| Name | Type | Description |
|---|---|---|
regex |
str
|
The regular expression pattern "^[0-9]*$" |
message |
str
|
The error message displayed when validation fails |