diff --git a/copyrat.tmux b/copyrat.tmux
index c3ee0bd..3097848 100755
--- a/copyrat.tmux
+++ b/copyrat.tmux
@@ -91,6 +91,8 @@ setup_pattern_binding "D" "--pattern-name docker"
 setup_pattern_binding "c" "--pattern-name hexcolor"
 # prefix + t + U searches for UUIDs
 setup_pattern_binding "U" "--pattern-name uuid"
+# prefix + t + v searches for version numbers
+setup_pattern_binding "v" "--pattern-name version"
 # prefix + t + d searches for any string of 4+ digits
 setup_pattern_binding "d" "--pattern-name digits"
 # prefix + t + m searches for hex numbers: 0xbedead
diff --git a/src/output_destination.rs b/src/output_destination.rs
index e6fdbe9..4bbd858 100644
--- a/src/output_destination.rs
+++ b/src/output_destination.rs
@@ -23,7 +23,7 @@ impl OutputDestination {
 impl fmt::Display for OutputDestination {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
-            Self::Tmux => write!(f, "tmux"),
+            Self::Tmux => write!(f, "tmux buffer"),
             Self::Clipboard => write!(f, "clipboard"),
         }
     }
diff --git a/src/regexes.rs b/src/regexes.rs
index 4c0fd4d..aa90139 100644
--- a/src/regexes.rs
+++ b/src/regexes.rs
@@ -7,7 +7,7 @@ pub const EXCLUDE_PATTERNS: [(&str, &str); 1] =
 ///
 /// The email address was obtained at https://www.regular-expressions.info/email.html.
 /// Others were obtained from Ferran Basora.
-pub const PATTERNS: [(&str, &str); 15] = [
+pub const PATTERNS: [(&str, &str); 16] = [
     ("markdown-url", r"\[[^]]*\]\(([^)]+)\)"),
     (
         "url",
@@ -23,6 +23,10 @@ pub const PATTERNS: [(&str, &str); 15] = [
         "uuid",
         r"[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}",
     ),
+    (
+        "version",
+        r"(v?\d{1,4}\.\d{1,4}(\.\d{1,4})?(-(alpha|beta|rc)(\.\d)?)?)[^.0-9s]",
+    ),
     ("ipfs", r"Qm[0-9a-zA-Z]{44}"),
     ("sha", r"[0-9a-f]{7,40}"),
     ("ipv4", r"\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}"),
diff --git a/src/tmux_copyrat.rs b/src/tmux_copyrat.rs
index 3b05e08..fb9e908 100644
--- a/src/tmux_copyrat.rs
+++ b/src/tmux_copyrat.rs
@@ -33,8 +33,8 @@ struct BridgeOpt {
 
     /// Name of the copy-to-clipboard executable.
     ///
-    /// If the output destination is set to keyboard, copyrat will pipe the
-    /// selected text to this executable.
+    /// If during execution, the output destination is set to be clipboard,
+    /// then copyrat will pipe the selected text to this executable.
     #[clap(long, default_value = "pbcopy")]
     clipboard_exe: String,
 
@@ -94,8 +94,8 @@ fn main() -> Result<(), error::ParseError> {
 
     tmux::swap_pane_with(&temp_pane_spec)?;
 
-    // Finally copy selection to a tmux buffer, and paste it to the active
-    // buffer if it was uppercased.
+    // Finally copy selection to the output destination (tmux buffer or
+    // clipboard), and paste it to the active buffer if it was uppercased.
 
     match selection {
         None => return Ok(()),
@@ -105,25 +105,14 @@ fn main() -> Result<(), error::ParseError> {
             output_destination,
         }) => {
             if uppercased {
-                // let args = vec!["send-keys", "-t", active_pane.id.as_str(), &text];
-                // process::execute("tmux", &args)?;
                 duct::cmd!("tmux", "send-keys", "-t", active_pane.id.as_str(), &text).run()?;
             }
 
             match output_destination {
                 OutputDestination::Tmux => {
-                    // let args = vec!["set-buffer", &text];
-                    // process::execute("tmux", &args)?;
                     duct::cmd!("tmux", "set-buffer", &text).run()?;
-
-                    // if uppercased {
-                    //     let args = vec!["paste-buffer", "-t", active_pane.id.as_str()];
-                    //     process::execute("tmux", &args)?;
-                    // }
                 }
                 OutputDestination::Clipboard => {
-                    // let args = [("echo", vec![&text[..]]), ("pbcopy", vec![])];
-                    // process::execute_piped(&args[..])?;
                     duct::cmd!("echo", "-n", &text)
                         .pipe(duct::cmd!(opt.clipboard_exe))
                         .read()?;