diff --git a/CHANGELOG.md b/CHANGELOG.md
index 34d7a37..59e1907 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## [Unreleased]
 
 - Fix not sorting half classes properly `ex: mt-0.5`
+- Sort all variant classes
 
 ## [0.11.0] - 2021-06-11
 
diff --git a/Cargo.lock b/Cargo.lock
index e72f2ee..7042eb8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -347,6 +347,7 @@ checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 name = "rustywind"
 version = "0.11.0"
 dependencies = [
+ "aho-corasick",
  "clap",
  "ignore",
  "indoc",
diff --git a/Cargo.toml b/Cargo.toml
index c447237..986e9f2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,9 +17,12 @@ ignore = "0.4"
 # utils
 itertools = "0.10"
 lazy_static = "1.4.0"
+
+# string matching
+aho-corasick = "0.7"
 regex = "1"
 
-# parrelel
+# parallel
 rayon = "1.5"
 
 [dev-dependencies]
diff --git a/src/consts.rs b/src/consts.rs
index 0e163db..7e38e34 100644
--- a/src/consts.rs
+++ b/src/consts.rs
@@ -1,6 +1,39 @@
+use aho_corasick::{AhoCorasick, AhoCorasickBuilder, MatchKind};
 use lazy_static::lazy_static;
 
 lazy_static! {
-    pub static ref RESPONSIVE_SIZES: Vec<&'static str> =
-        vec!["sm", "md", "lg", "xl", "2xl", "3xl", "4xl", "5xl", "6xl"];
+    pub static ref VARIANTS: Vec<&'static str> = vec![
+        "sm",
+        "md",
+        "lg",
+        "xl",
+        "2xl",
+        "3xl",
+        "4xl",
+        "5xl",
+        "6xl",
+        "dark",
+        "first",
+        "last",
+        "odd",
+        "even",
+        "visited",
+        "checked",
+        "group-hover",
+        "group-focus",
+        "hover",
+        "focus",
+        "focus-visible",
+        "focus-within",
+        "active",
+        "disabled"
+    ];
+}
+
+lazy_static! {
+    pub static ref VARIANT_SEARCHER: AhoCorasick = AhoCorasickBuilder::new()
+        .anchored(true)
+        .match_kind(MatchKind::LeftmostLongest)
+        .auto_configure(&VARIANTS)
+        .build(VARIANTS.iter());
 }
diff --git a/src/lib.rs b/src/lib.rs
index 9e10ea2..853fabf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,7 +7,7 @@ pub mod consts;
 pub mod defaults;
 pub mod options;
 
-use consts::RESPONSIVE_SIZES;
+use consts::{VARIANTS, VARIANT_SEARCHER};
 use defaults::{RE, SORTER};
 use options::Options;
 
@@ -52,41 +52,16 @@ fn sort_classes_vec<'a>(classes: impl Iterator<Item = &'a str>) -> Vec<&'a str>
     for (class, maybe_size) in enumerated_classes {
         match maybe_size {
             Some(size) => tailwind_classes.push((class, size)),
-            None => match class.as_bytes() {
-                [b's', b'm', b':', ..] => responsive.entry("sm").or_insert(Vec::new()).push(class),
-
-                [b'm', b'd', b':', ..] => responsive.entry("md").or_insert(Vec::new()).push(class),
-
-                [b'l', b'g', b':', ..] => responsive.entry("lg").or_insert(Vec::new()).push(class),
-
-                [b'x', b'l', b':', ..] => responsive.entry("xl").or_insert(Vec::new()).push(class),
-
-                [b'2', b'x', b'l', b':', ..] => responsive
-                    .entry("2xl")
-                    .or_insert_with(|| vec![])
-                    .push(class),
-
-                [b'3', b'x', b'l', b':', ..] => responsive
-                    .entry("3xl")
-                    .or_insert_with(|| vec![])
-                    .push(class),
-
-                [b'4', b'x', b'l', b':', ..] => responsive
-                    .entry("4xl")
-                    .or_insert_with(|| vec![])
-                    .push(class),
-
-                [b'5', b'x', b'l', b':', ..] => responsive
-                    .entry("5xl")
-                    .or_insert_with(|| vec![])
-                    .push(class),
-
-                [b'6', b'x', b'l', b':', ..] => responsive
-                    .entry("6xl")
-                    .or_insert_with(|| vec![])
-                    .push(class),
-
-                _ => custom_classes.push(class),
+            None => match VARIANT_SEARCHER.find(&class) {
+                Some(prefix_match) => {
+                    let prefix = VARIANTS[prefix_match.pattern()];
+                    responsive
+                        .entry(prefix)
+                        .or_insert_with(Vec::new)
+                        .push(class)
+                }
+
+                None => custom_classes.push(class),
             },
         }
     }
@@ -100,9 +75,9 @@ fn sort_classes_vec<'a>(classes: impl Iterator<Item = &'a str>) -> Vec<&'a str>
 
     let mut sorted_responsive_classes = vec![];
 
-    for key in RESPONSIVE_SIZES.iter() {
+    for key in VARIANTS.iter() {
         let (mut sorted_classes, new_custom_classes) = sort_responsive_classes(
-            responsive.remove(key).unwrap_or_else(|| vec![]),
+            responsive.remove(key).unwrap_or_else(Vec::new),
             custom_classes,
             key.len() + 1,
         );
diff --git a/tests/rustywind_test.rs b/tests/rustywind_test.rs
index 89ba46b..1d4bb42 100644
--- a/tests/rustywind_test.rs
+++ b/tests/rustywind_test.rs
@@ -247,3 +247,28 @@ fn test_sort_file_contents_with_responsive_classes() {
         expected_outcome
     )
 }
+
+#[test]
+fn test_sort_file_contents_with_variant_classes() {
+    let file_contents = r#"
+<div>
+    <div class='even:inline 4xl:inline-block focus-visible:flex absolute xl:relative relative focus:flex flex active:flex disabled:flex visited:flex inline-block dark:absolute sm:relative sm:flex inline random-class justify-items another-random-class 
+    sm:absolute 4xl:flex xl:random-class sm:inline-block'>
+        <ul class='flex items-center md:pr-4 lg:pr-6 xl:flex'>
+    </div>
+</div>
+"#;
+
+    let expected_outcome = r#"
+<div>
+    <div class='inline-block inline flex absolute relative sm:inline-block sm:flex sm:absolute sm:relative xl:relative 4xl:inline-block 4xl:flex dark:absolute even:inline visited:flex focus:flex focus-visible:flex active:flex disabled:flex random-class justify-items another-random-class xl:random-class'>
+        <ul class='flex items-center md:pr-4 lg:pr-6 xl:flex'>
+    </div>
+</div>
+"#.to_string();
+
+    assert_eq!(
+        rustywind::sort_file_contents(file_contents, &default_options_for_test()),
+        expected_outcome
+    )
+}