Function safe_regex_compiler::parser::parse

pub fn parse(regex: &[u8]) -> Result<FinalNode, String>

Parses regex as a regular expression.

Returns a FinalNode which is the root of the abstract syntax tree (AST) of the expression.

Errors

On error, returns a string explaining the problem.

Examples

use safe_regex_compiler::parser::parse;
use safe_regex_compiler::parser::FinalNode;
assert_eq!(
    Ok(FinalNode::Byte(b'a')), parse(br"a")
);
assert_eq!(
    Ok(FinalNode::Alt(vec![
        FinalNode::Byte(b'a'),
        FinalNode::Byte(b'b'),
        FinalNode::Byte(b'c'),
    ])),
    parse(br"a|b|c"),
);
assert_eq!(
    Err("missing closing `)`".to_string()),
    parse(br"(a"),
);

See FinalNode variants for more examples.