diff --git a/Cargo.lock b/Cargo.lock
index 7e76af9..9ab4369 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,73 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "0.7.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "bit-set"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e11e16035ea35e4e5997b393eacbf6f63983188f7a2ad25bfb13465f5ad59de"
+dependencies = [
+ "bit-vec",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
+
+[[package]]
+name = "fancy-regex"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d6b8560a05112eb52f04b00e5d3790c0dd75d9d980eb8a122fb23b92a623ccf"
+dependencies = [
+ "bit-set",
+ "regex",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "memchr"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
+
+[[package]]
+name = "regex"
+version = "1.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
+
 [[package]]
 name = "strath"
 version = "0.1.0"
+dependencies = [
+ "fancy-regex",
+ "lazy_static",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 5851181..7659b21 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,3 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+lazy_static="1.4.0"
+fancy-regex="0.7.1"
diff --git a/sm-test-files/actual-testing/io.sm b/sm-test-files/actual-testing/io.sm
index e13b8e7..ee87a13 100644
--- a/sm-test-files/actual-testing/io.sm
+++ b/sm-test-files/actual-testing/io.sm
@@ -3,7 +3,7 @@
 
 ¡<= /"Hello world!"\!
 
-¡<= ]] inline comment example [[ /"inline cmmnts work"\!
+¡<= ]] inline comment example [[ /"inline comments work"\!
 
 ``
    big ass block comment!
@@ -19,7 +19,3 @@
 && log out
 ¡<= /out\!
 
-
-
-
-
diff --git a/src/main.rs b/src/main.rs
index ccce34f..fe0c251 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,7 +10,7 @@ fn main() {
     println!("{:?}", preprocessor::preprocess(file));
 }
 
-fn parse_and_interpret(code: String) {
+//fn parse_and_interpret(code: String) {
 
-}
+//}
 
diff --git a/src/preprocessor.rs b/src/preprocessor.rs
index ee0f7dc..ee88588 100644
--- a/src/preprocessor.rs
+++ b/src/preprocessor.rs
@@ -1,5 +1,28 @@
-pub fn preprocess(raw_code: String) -> String {
-    let lines = raw_code.split(' ');
-    for &line in lines {
+use lazy_static::lazy_static;
+use fancy_regex::Regex;
+
+pub fn preprocess(raw_code: String) {
+    lazy_static! {
+        static ref COMMENT_RE: Regex = Regex::new(r"(\]\].*?\[\[|&&.*\n|``(.|\n)*?´´)").unwrap();
     }
+
+    let code = COMMENT_RE.replace_all(&raw_code, "");
+    let code = remove_empty_lines(code.to_string());
+    println!("{}", &code)
 }
+
+pub fn remove_empty_lines(text: String) -> String {
+    let text: Vec<&str> = text.split('\n').collect();
+
+    let mut out = String::new();
+    for line in text {
+        if !line.trim().is_empty() {
+            out += line;
+            out.push('\n');
+        }
+    }
+
+    out
+}
+
+