Add simple rust implementation

src/utils.rs

@@ -0,0 +1,26 @@
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
+
+pub fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+    P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}
+
+pub fn remove_wrong_chars(s: &str) -> String {
+    s.replace(';', "").replace('\n', " ").replace('ё', "е")
+}
+
+pub fn parse_lang(s: &str) -> String {
+    s.replace('-', "").replace('~', "").to_lowercase()
+}
+
+pub fn fix_annotation_text(text: &str) -> String {
+    text.replace("&nbsp;", "")
+        .replace("[b]", "")
+        .replace("[/b]", "")
+        .replace("[hr]", "")
+}