// 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"(?m)\s+").unwrap();
let string = " select * from expressions
where if(
'+' = @o := operation,
a + b,
if(
@o = '-',
a - b,
if(
@o = '*',
a * b,
a / b
)
)
) = c";
let substitution = "";
// result will be a String with the substituted value
let result = regex.replace_all(string, substitution);
println!("{}", result);
}
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/