Struct AlphanumericRule 

pub struct AlphanumericRule {
    pub mode: AlphanumericMode,
    pub allow_underscore: bool,
    pub allow_dash: bool,
    pub allow_space: bool,
    pub message: Option<String>,
}

Alphanumeric validation rule.

Example

use skp_validator_rules::string::alphanumeric::AlphanumericRule;
use skp_validator_core::{Rule, ValidationContext};

let rule = AlphanumericRule::new();
let ctx = ValidationContext::default();

assert!(rule.validate("abc123", &ctx).is_ok());
assert!(rule.validate("abc-123", &ctx).is_err()); // Contains dash

Fields

mode: AlphanumericMode

Validation mode

allow_underscore: bool

Allow underscores

allow_dash: bool

Allow dashes

allow_space: bool

Allow spaces

message: Option<String>

Custom error message

Implementations

impl AlphanumericRule

pub fn new() -> Self

Create a new alphanumeric rule.

pub fn letters_only(self) -> Self

Only allow letters (no digits).

pub fn digits_only(self) -> Self

Only allow digits (no letters).

pub fn allow_underscore(self) -> Self

Allow underscores.

pub fn allow_dash(self) -> Self

Allow dashes.

pub fn allow_space(self) -> Self

Allow spaces.

pub fn message(self, msg: impl Into<String>) -> Self

Set custom error message.

Trait Implementations

impl Clone for AlphanumericRule

fn clone(&self) -> AlphanumericRule

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AlphanumericRule

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for AlphanumericRule

fn default() -> AlphanumericRule

Returns the “default value” for a type.

impl Rule<String> for AlphanumericRule

fn validate( &self, value: &String, ctx: &ValidationContext, ) -> ValidationResult<()>

Validate the value.

fn name(&self) -> &'static str

Get the rule name for error reporting.

fn default_message(&self) -> String

Get the default error message.

fn validate_at( &self, value: &T, path: &FieldPath, ctx: &ValidationContext, ) -> Result<(), ValidationErrors>

Validate the value with a field path for error reporting.

fn error_code(&self) -> String

Get the error code.

fn is_transform(&self) -> bool

Check if this rule is a transformation (not validation).

impl Rule<str> for AlphanumericRule

fn validate( &self, value: &str, _ctx: &ValidationContext, ) -> ValidationResult<()>

Validate the value.

fn name(&self) -> &'static str

Get the rule name for error reporting.

fn default_message(&self) -> String

Get the default error message.

fn validate_at( &self, value: &T, path: &FieldPath, ctx: &ValidationContext, ) -> Result<(), ValidationErrors>

Validate the value with a field path for error reporting.

fn error_code(&self) -> String

Get the error code.

fn is_transform(&self) -> bool

Check if this rule is a transformation (not validation).