Struct regex_syntax::ast::parse::Parser

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pub struct Parser { /* fields omitted */ }

[−] Expand description

A regular expression parser.

This parses a string representation of a regular expression into an abstract syntax tree. The size of the tree is proportional to the length of the regular expression pattern.

A Parser can be configured in more detail via a ParserBuilder.

Methods

impl Parser

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pub fn new() -> Parser

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Create a new parser with a default configuration.

The parser can be run with either the parse or parse_with_comments methods. The parse methods return an abstract syntax tree.

To set configuration options on the parser, use ParserBuilder.

pub fn parse(&mut self, pattern: &str) -> Result<Ast, Error>

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Parse the regular expression into an abstract syntax tree.

pub fn parse_with_comments(     &mut self,     pattern: &str ) -> Result<WithComments, Error>

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Parse the regular expression and return an abstract syntax tree with all of the comments found in the pattern.

Trait Implementations

impl Clone for Parser

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fn clone(&self) -> Parser

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Returns a copy of the value.

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

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Performs copy-assignment from source.

impl Debug for Parser

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

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Formats the value using the given formatter.