Initial commit

.gitignore

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+/target
+**/*.rs.bk
+Cargo.lock

Cargo.toml

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+[package]
+name = "owoify"
+version = "0.1.0"
+authors = [""]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+regex = "1.2.0"
+rand = "0.7.0"

src/lib.rs

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+use rand::prelude::*;
+use regex::Regex;
+use std::str::FromStr;
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    #[test]
+    fn owo() {
+        let text = String::from("malfunction me mom.. t-till i break~~");
+        let owoified = text.owoify();
+        println!("\t\t{}", owoified);
+    }
+    #[test]
+    fn all_match_owo() {
+        let text = String::from("r l R L na Na NA ove !!");
+        println!("\t\t{}", text.owoify());
+    }
+}
+
+pub trait OwOifiable {
+    fn owoify(&self) -> Self;
+}
+
+impl OwOifiable for String {
+    fn owoify(&self) -> Self {
+        let mut rng = rand::thread_rng();
+        let faces = ["(・`ω´・)", ";;w;;", "owo", "UwU", ">w<", "^w^"];
+        let face = &format!(" {} ", faces[rng.gen_range(0, faces.len())]).to_owned();
+        let pats: Vec<(&str, &str)> = vec![
+            ("(?:r|l)", "w"),
+            ("(?:R|L)", "W"),
+            ("n([aeiou])", "ny$1"),
+            ("N([aeiou])", "Ny$1"),
+            ("N([AEIOU])", "Ny$1"),
+            ("ove", "uv"),
+            ("!+", face),
+        ];
+
+        let mut owoified = String::from_str(&self).unwrap();
+
+        for &(f, t) in &pats {
+            let re = Regex::new(f).unwrap();
+            owoified = re.replace_all(&owoified, t).to_string();
+        }
+
+        owoified
+    }
+}