Struct FilterRule

pub struct FilterRule(/* private fields */);

Represents a regex replacement rule with a pattern and replacement text.

Implementations

impl FilterRule

pub fn new(pattern: &str, replacement: &str) -> Result<Self, Box<dyn Error>>

Create a new filter rule with a pattern and a replacement text. The pattern follows the syntax from the regex crate. Returns an error if the regex could not be compiled.

pub fn apply<'t>(&self, text: &'t str) -> Cow<'t, str>

Apply the filter rule. Returns Cow::Owned if a replacement was done, or Cow::Borrowed (referencing the original text) if nothing was changed.

Trait Implementations

impl Clone for FilterRule

fn clone(&self) -> FilterRule

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for FilterRule

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

Formats the value using the given formatter.