// 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)(?x)(?-i:class)\s+[A-Za-z_$][\w$]*\s*\{").unwrap();
let string = "class Entity
{
constructor(game,imageURL)
{
this.game = game;
this.sprite = new Sprite(this.game.c,imageURL);
}
draw(depth,offset,textureSize,textureCoordinates,offsetX=0)
{
let scaleFactors = {
1:1,
2:0.65,
3:0.45
};
let scaleFactor = scaleFactors[depth];
let x = Math.floor(offset.x + textureCoordinates[0] + (textureSize[0] / 2) - (this.sprite.image.width * scaleFactor / 2));
let y = Math.floor(offset.y + textureCoordinates[1] + (textureSize[1] / 2) - (this.sprite.image.height * scaleFactor) + 6 * scaleFactor);
x = x + offsetX * scaleFactor;
let width = Math.floor(this.sprite.image.width * scaleFactor);
let height = Math.floor(this.sprite.image.height * scaleFactor);
let entityFades = {
1:1,
2:0.5,
3:0.1
}
let filter = '';
if(this.game.level.entities.fadeType === 'darken')
{
filter += 'brightness('+entityFades[depth]+')';
}
this.sprite.draw(
x,
y,
width,
height,
0,
0,
this.sprite.image.width,
this.sprite.image.height,
filter
);
}
}";
// 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/