build: remove regex dependency in favor of rust iterators

engine/src/core/repl/input.rs

@@ -6,7 +6,6 @@ use std::{
 use chrono::Local;
 use colored::Colorize;
 use parking_lot::Mutex;
-use regex::Regex;
 use rustyline::{
     Cmd, Completer, ConditionalEventHandler, Editor, Event, EventContext, EventHandler, Helper,
     Hinter, KeyEvent, RepeatCount, Validator, completion::Completer, error::ReadlineError,
@@ -131,12 +130,10 @@ pub fn tokenize(command: &str) -> Vec<String> {
 }
 
 pub fn parse_command(input: &str) -> Result<Vec<String>> {
-    let pattern = Regex::new(r"[;|\n]").map_err(|_| {
-        ZenyxError::builder(ZenyxErrorKind::CommandParsing)
-            .with_message("Failed to compile regex pattern")
-            .build()
-    })?;
-    let commands: Vec<String> = pattern.split(input).map(String::from).collect();
+    let commands = input
+        .split(|c| c == ';' || c == '\n')
+        .map(|slice| slice.to_string())
+        .collect::<Vec<String>>();
     Ok(commands)
 }
 
@@ -145,12 +142,10 @@ pub fn evaluate_command(input: &str) -> Result<()> {
         return Ok(());
     }
 
-    let pattern = Regex::new(r"[;|\n]").map_err(|_| {
-        ZenyxError::builder(ZenyxErrorKind::CommandParsing)
-            .with_message("Failed to compile regex pattern")
-            .build()
-    })?;
-    let commands: Vec<&str> = pattern.split(input).collect();
+    let commands = input
+        .split(|c| c == ';' || c == '\n')
+        .map(|slice| slice.to_string())
+        .collect::<Vec<String>>();
 
     for command in commands {
         let command = command.trim();