Struct Regex 

pub struct Regex { /* private fields */ }

A compiled regular expression.

Implementations

impl Regex

pub fn new(pattern: &str) -> Result<Regex>

Compiles a regular expression pattern.

Errors

Returns an error if the pattern is invalid.

pub fn capture_names(&self) -> impl Iterator<Item = &str>

Returns the names of all named capture groups.

pub fn as_str(&self) -> &str

Returns the original pattern string.

pub fn is_match(&self, text: &str) -> bool

Returns true if the regex matches anywhere in the text.

pub fn find<'t>(&self, text: &'t str) -> Option<Match<'t>>

Returns the first match in the text.

pub fn find_iter<'a>(&'a self, text: &'a str) -> Matches<'a>

Returns an iterator over all non-overlapping matches.

pub fn captures<'t>(&self, text: &'t str) -> Option<Captures<'t>>

Returns the capture groups for the first match.

pub fn captures_iter<'r, 't>(&'r self, text: &'t str) -> CapturesIter<'r, 't>

Returns an iterator over all non-overlapping captures.

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

Replaces the first match with the replacement string.

pub fn engine_name(&self) -> &'static str

Returns the name of the engine being used (for debugging).

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

Replaces all matches with the replacement string.

Trait Implementations

impl Debug for Regex

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

Formats the value using the given formatter.