// include the latest version of the regex crate in your Cargo.toml
extern crate regex;
use regex::Regex;
fn main() {
let regex = Regex::new(r"\((?<arguments>(([^\(\)']*)|(\([^\(\)']*\))|'(.*?)')*)\)").unwrap();
let string = "Find arguments inside balanced parenthesis.
Regex idea from Marco https://stackoverflow.com/a/10596403/1898524
( arg1, arg2, arg3, (arg4), '(pip' )
trim(( arg1, arg2, arg2a, arg3, (arg4), '(pip' ))
SELECT ISNULL(string, left(1,13) )
SELECT ISNULL(string,'x' )
SELECT ISNULL(string, char(13) )
SELECT ISNULL(string, char(13) ), ISNULL(string, 'x' )
ISNULL( x )
ISNULL( char(13))
SELECT MID(LTRIM(RTRIM(ISNULL(string, char(13)))),4,8) <-- Does not work on a heavily nested function.
";
// result will be an iterator over tuples containing the start and end indices for each match in the string
let result = regex.captures_iter(string);
for mat in result {
println!("{:?}", mat);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Rust, please visit: https://docs.rs/regex/latest/regex/