diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index bb3a502..42afc12 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -54,6 +54,4 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Test lib & docs
-        run: |
-          cargo test --lib --all-features
-          cargo test --doc --all-features
+        run: cargo test --all-features --no-fail-fast
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5aff2b4..55978ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,16 @@ All notable changes to nvrs will be documented in this file.
 
 - `--list-sources` command ([442c06f](https://github.com/adamperkowski/nvrs/commit/442c06f0e56f4adcc0c2ad44d042997cb088a930))
 
+### 🚀 Features
+
+- `--list-sources` command ([442c06f](https://github.com/adamperkowski/nvrs/commit/442c06f0e56f4adcc0c2ad44d042997cb088a930))
+- (*sources*) add regex ([#13](https://github.com/adamperkowski/nvrs/issues/13)) ([fa12ce9](https://github.com/adamperkowski/nvrs/commit/fa12ce9691adbdcf51990eb8416aedf4fdc7d36b))
+
+### 🐛 Bug Fixes
+
+- incorrect `--compare` colors ([ef1f78f](https://github.com/adamperkowski/nvrs/commit/ef1f78fed76f883986734b7e3220b2f56508a5f0))
+- (*io*) not shutting down file streams after writing ([a8a42fd](https://github.com/adamperkowski/nvrs/commit/a8a42fdf03bfde7aeee563fbd6f9d7af832bc70e))
+
 ### ⚙️ Refactoring
 
 - (*verfiles, config*) saving & loading improvements ([81d7efd](https://github.com/adamperkowski/nvrs/commit/81d7efd24b9b425f59bec1cdbb588bc25ed433cb))
@@ -16,6 +26,11 @@ All notable changes to nvrs will be documented in this file.
 ### 📚 Documentation
 
 - more details & improvements ([9f02405](https://github.com/adamperkowski/nvrs/commit/9f02405339c3520340899313365f0de2fb3d65c5))
+- (*README*) update cargo install instructions ([88f0fdc](https://github.com/adamperkowski/nvrs/commit/88f0fdce435c50df44c3ae2cfd5d1087df4376fc))
+
+### ⚙️ Miscellaneous Tasks
+
+- (*repo*) fix dependabot ([432b10f](https://github.com/adamperkowski/nvrs/commit/432b10f32199ecd7a33c2d9643a5e1f512db862c))
 
 ### Other (unconventional)
 
diff --git a/Cargo.lock b/Cargo.lock
index 9ed972f..02e7d27 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1190,6 +1190,7 @@ dependencies = [
  "crossterm",
  "futures",
  "ratatui",
+ "regex",
  "reqwest",
  "serde",
  "serde_json",
diff --git a/Cargo.toml b/Cargo.toml
index 4d58525..28ef67e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,10 +22,11 @@ include = [
 [features]
 nvrs_cli = ["clap", "colored", "futures"]
 nvrs_tui = ["ratatui", "crossterm", "anyhow", "tachyonfx", "futures"]
-default = ["aur", "github", "gitlab"]
+default = ["aur", "github", "gitlab", "regex"]
 aur = []
 github = []
 gitlab = []
+regex = ["dep:regex"]
 
 [[bin]]
 name = "nvrs"
@@ -44,6 +45,7 @@ colored = { version = "2.1.0", optional = true }
 crossterm = { version = "0.28.1", features = ["events", "event-stream"], default-features = false, optional = true }
 futures = { version = "0.3.31", optional = true }
 ratatui = { version =  "0.29.0", optional = true }
+regex = { version = "1.11.1", optional = true }
 reqwest = { version = "0.12.9", features = ["__tls", "charset", "default-tls", "h2", "http2", "json"], default-features = false }
 serde = { version = "1.0.215", features = ["derive"], default-features = false }
 serde_json = "1.0.132"
diff --git a/README.md b/README.md
index 60c9bd2..71bd127 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,7 @@ check the [release notes](https://github.com/adamperkowski/nvrs/releases) for co
 - `aur`
 - `github`
 - `gitlab` (with custom hosts)
+- `website` (regex)
 
 ### QOL improvements
 - `ALL` argument for the `--take` command
@@ -145,6 +146,8 @@ package entries are custom entries in the main config file. they contain values
 | `host`        | domain name the source is hosted on                                       | string | ❌       | ❌     |
 | `prefix`      | the prefix used in releases / tags<br>example: `v` for tags like `v0.1.0` | string | ❌       | ❌     |
 | `use_max_tag` | use max git tag instead of the latest release                             | bool   | ❌       | ❌     |
+| `url`         | url to check for source type `regex`                                      | string | ❌       | ❌     |
+| `regex`       | regex to search url for source type `regex`                               | bool   | ❌       | ❌     |
 
 ### Keyfile structure
 this file contains API keys for various [sources](#sources). example can be found [here](/n_keyfile.toml).
diff --git a/nvrs.toml b/nvrs.toml
index 62394c1..2c31a62 100644
--- a/nvrs.toml
+++ b/nvrs.toml
@@ -28,3 +28,15 @@ prefix = "v"
 source = "github"
 github = "rust-lang/rustup"
 use_max_tag = true
+
+[rustrover]
+source = 'regex'
+url = 'https://data.services.jetbrains.com/products?code=RR&release.type=release'
+encoding = 'utf8'
+regex = 'RustRover-([\d.]+).tar.gz'
+
+[linux]
+source = 'regex'
+url = 'https://www.kernel.org/'
+encoding = 'utf8'
+regex = '<td><strong>([\d.]+)</strong></td>'
diff --git a/src/api/mod.rs b/src/api/mod.rs
index a328feb..12328f4 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -6,6 +6,8 @@ mod aur;
 mod github;
 #[cfg(feature = "gitlab")]
 mod gitlab;
+#[cfg(feature = "regex")]
+mod regex;
 
 /// struct containing the API name & a pointer to API's `get_latest` function
 pub struct Api {
@@ -78,6 +80,11 @@ pub const API_LIST: &[Api] = &[
         name: "gitlab",
         func: gitlab::get_latest,
     },
+    #[cfg(feature = "regex")]
+    Api {
+        name: "regex",
+        func: regex::get_latest,
+    },
 ];
 
 #[test]
diff --git a/src/api/regex.rs b/src/api/regex.rs
new file mode 100644
index 0000000..e532874
--- /dev/null
+++ b/src/api/regex.rs
@@ -0,0 +1,47 @@
+use crate::{api, error};
+use regex::Regex;
+
+/// get a version string from a webpage
+pub fn get_latest(args: api::ApiArgs) -> api::ReleaseFuture {
+    Box::pin(async move {
+        let url = args.args[0].clone();
+        let client = args.request_client;
+
+        let result = client
+            .get(&url)
+            .headers(api::setup_headers())
+            .send()
+            .await?;
+        api::match_statuscode(&result.status(), args.package.clone())?;
+
+        let body = result.text().await?;
+
+        let re = Regex::new(&args.args[1]).unwrap();
+        if let Some(caps) = re.captures(&body) {
+            Ok(api::Release {
+                name: caps.get(1).unwrap().as_str().to_owned(),
+                tag: None,
+                url,
+            })
+        } else {
+            Err(error::Error::NoVersion(args.package))
+        }
+    })
+}
+
+#[tokio::test]
+async fn request_test() {
+    let package = "rustrover".to_string();
+    let args = api::ApiArgs {
+        request_client: reqwest::Client::new(),
+        package: package.clone(),
+        use_max_tag: None,
+        args: vec![
+            "https://data.services.jetbrains.com/products?code=RR&release.type=release".to_string(),
+            r"RustRover-([\d.]+).tar.gz".to_string(),
+        ],
+        api_key: String::new(),
+    };
+
+    assert!(crate::api::regex::get_latest(args).await.is_ok());
+}
diff --git a/src/config.rs b/src/config.rs
index ab10a0a..0332a51 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -59,6 +59,12 @@ pub struct Package {
     #[serde(default)]
     #[serde(skip_serializing_if = "is_empty_string")]
     gitlab: String,
+    #[cfg(feature = "regex")]
+    #[serde(default)]
+    url: String,
+    #[cfg(feature = "regex")]
+    #[serde(default)]
+    regex: String,
 
     /// whether to use the latest tag instead of the latest release
     #[serde(default)]
@@ -95,6 +101,11 @@ impl Package {
                 package.gitlab = target;
                 Ok(())
             }
+            #[cfg(feature = "regex")]
+            "regex" => {
+                package.url = target;
+                Ok(())
+            }
             _ => Err(error::Error::SourceNotFound(source.clone())),
         }?;
 
@@ -115,6 +126,10 @@ impl Package {
             github: String::new(),
             #[cfg(feature = "gitlab")]
             gitlab: String::new(),
+            #[cfg(feature = "regex")]
+            url: String::new(),
+            #[cfg(feature = "regex")]
+            regex: String::new(),
             use_max_tag: None,
             prefix: String::new(),
         }
@@ -137,6 +152,8 @@ impl Package {
             "github" => vec![self.github.clone()],
             #[cfg(feature = "gitlab")]
             "gitlab" => vec![self.gitlab.clone(), self.host.clone()],
+            #[cfg(feature = "regex")]
+            "regex" => vec![self.url.clone(), self.regex.clone()],
             _ => vec![],
         };
 
@@ -187,6 +204,8 @@ pub async fn save(config_content: Config, path: PathBuf) -> error::Result<()> {
     let mut file = fs::File::create(path).await?;
     let content = format!("{}\n", toml::to_string(&config_content)?);
     file.write_all(content.as_bytes()).await?;
+    file.shutdown().await?;
+
     Ok(())
 }
 
diff --git a/src/main.rs b/src/main.rs
index 928a125..b918bb0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -57,7 +57,7 @@ async fn compare(core: Core) -> error::Result<()> {
                     "*".white().on_black(),
                     new_pkg.0.blue(),
                     old_pkg.1.version.red(),
-                    new_pkg.1.version.blue()
+                    new_pkg.1.version.green()
                 );
             }
         } else {
diff --git a/src/verfiles.rs b/src/verfiles.rs
index dd40fae..589c589 100644
--- a/src/verfiles.rs
+++ b/src/verfiles.rs
@@ -76,6 +76,8 @@ pub async fn save(
     let content = format!("{}\n", serde_json::to_string_pretty(&verfile)?);
 
     file.write_all(content.as_bytes()).await?;
+    file.shutdown().await?;
+
     Ok(())
 }
 
@@ -83,6 +85,7 @@ async fn load_file(path: &Path) -> error::Result<Verfile> {
     if !path.exists() {
         let mut file = fs::File::create(path).await?;
         file.write_all(TEMPLATE.as_bytes()).await?;
+        file.shutdown().await?;
     }
 
     let content = fs::read_to_string(path).await?;