diff --git a/Cargo.lock b/Cargo.lock
index ab58486c..9dd4ffc6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1565,6 +1565,7 @@ dependencies = [
  "png",
  "rand 0.8.4",
  "redis",
+ "regex",
  "reqwest",
  "serde",
  "serde_json",
diff --git a/Cargo.toml b/Cargo.toml
index 3e6b6ff6..6555ddd1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -63,7 +63,7 @@ time = []
 toml = ["serde", "serde_json", "toml-dep"]
 url = ["url-dep", "percent-encoding"]
 
-# non-default features
+# additional features
 hash = ["base64", "const-random", "md-5", "hex", "sha-1", "sha2",  "twox-hash", "serde", "serde_json"]
 redis_pubsub = ["flume", "redis", "serde", "serde_json"]
 unzip = ["zip", "jobs"]
@@ -71,3 +71,6 @@ worleynoise = ["rand","dmsort"]
 
 # internal feature-like things
 jobs = ["flume"]
+
+[dev-dependencies]
+regex = "1"
diff --git a/README.md b/README.md
index 5a53e57e..92cf6c81 100644
--- a/README.md
+++ b/README.md
@@ -95,9 +95,9 @@ The default features are:
 Additional features are:
 * hash: Faster replacement for `md5`, support for SHA-1, SHA-256, and SHA-512. Requires OpenSSL on Linux.
 * redis_pubsub: Library for sending and receiving messages through Redis.
-* url: Faster replacements for `url_encode` and `url_decode`.
 * unzip: Function to download a .zip from a URL and unzip it to a directory.
-* worleynoise: Function that generates a type of nice looking cellular noise, more expensive than cellularnoise.
+* url: Faster replacements for `url_encode` and `url_decode`.
+* worleynoise: Function that generates a type of nice looking cellular noise, more expensive than cellularnoise
 
 ## Installing
 
diff --git a/tests/abc-tests.rs b/tests/abc-tests.rs
new file mode 100644
index 00000000..0923c669
--- /dev/null
+++ b/tests/abc-tests.rs
@@ -0,0 +1,67 @@
+extern crate regex;
+use regex::{CaptureMatches, RegexBuilder};
+use std::cmp::Ordering;
+
+fn are_captures_sorted(matches: CaptureMatches, context: &str) -> Result<(), String> {
+    let mut prev_string = "";
+    for cap in matches {
+        let capstring = cap.get(0).unwrap().as_str();
+        match prev_string.cmp(&capstring) {
+            Ordering::Greater => {
+                return Err(format!("{} is not sorted in {}", &capstring, &context))
+            }
+            _ => {
+                prev_string = capstring;
+            }
+        };
+    }
+    Ok(())
+}
+
+#[test]
+fn test_readme() -> Result<(), String> {
+    let readme = std::fs::read_to_string("README.md").unwrap();
+    let blocksre = RegexBuilder::new(r"^The default features are:\r?\n((:?^.+?\r?\n)*)\r?\nAdditional features are:\r?\n((:?^.+?\r?\n)*)").multi_line(true).build().unwrap();
+    let linesre = RegexBuilder::new(r"^\*(.+?)$")
+        .multi_line(true)
+        .build()
+        .unwrap();
+    let blocks = blocksre.captures(&readme).unwrap();
+    are_captures_sorted(
+        linesre.captures_iter(blocks.get(1).unwrap().as_str()),
+        "README.md default features",
+    )?;
+    are_captures_sorted(
+        linesre.captures_iter(blocks.get(3).unwrap().as_str()),
+        "README.md additional features",
+    )
+}
+
+#[test]
+fn test_librs() -> Result<(), String> {
+    let librs = std::fs::read_to_string("src/lib.rs").unwrap();
+    let modsre = RegexBuilder::new(r"(^pub mod .+?$)")
+        .multi_line(true)
+        .build()
+        .unwrap();
+    are_captures_sorted(modsre.captures_iter(&librs), "lib.rs")
+}
+
+#[test]
+fn test_cargotoml() -> Result<(), String> {
+    let cargotoml = std::fs::read_to_string("Cargo.toml").unwrap();
+    let blocksre = RegexBuilder::new(r"^# default features\r?\n((:?^.+?\r?\n)*)\r?\n# additional features\r?\n((:?^.+?\r?\n)*)\r?\n#").multi_line(true).build().unwrap();
+    let linesre = RegexBuilder::new(r"^(\w.+?)$")
+        .multi_line(true)
+        .build()
+        .unwrap();
+    let blocks = blocksre.captures(&cargotoml).unwrap();
+    are_captures_sorted(
+        linesre.captures_iter(blocks.get(1).unwrap().as_str()),
+        "Cargo.toml default features",
+    )?;
+    are_captures_sorted(
+        linesre.captures_iter(blocks.get(3).unwrap().as_str()),
+        "Cargo.toml additional features",
+    )
+}