replace the regex crate with the fancy-regex crate (#6227)

crates/nu-cli/Cargo.toml

@@ -20,18 +20,18 @@ nu-utils = { path = "../nu-utils", version = "0.66.3"  }
 nu-ansi-term = "0.46.0"
 nu-color-config = { path = "../nu-color-config", version = "0.66.3"  }
 reedline = { version = "0.9.0", features = ["bashisms", "sqlite"]}
-crossterm = "0.24.0"
-miette = { version = "5.1.0", features = ["fancy"] }
-thiserror = "1.0.31"
-fuzzy-matcher = "0.3.7"
 
 chrono = "0.4.19"
+crossterm = "0.24.0"
+fancy-regex = "0.10.0"
+fuzzy-matcher = "0.3.7"
 is_executable = "1.0.1"
 lazy_static = "1.4.0"
 log = "0.4"
-regex = "1.5.4"
+miette = { version = "5.1.0", features = ["fancy"] }
 strip-ansi-escapes = "0.1.1"
 sysinfo = "0.24.1"
+thiserror = "1.0.31"
 
 [features]
 plugin = []

crates/nu-cli/src/repl.rs

@@ -5,6 +5,7 @@ use crate::{
     util::{eval_source, get_guaranteed_cwd, report_error, report_error_new},
     NuHighlighter, NuValidator, NushellPrompt,
 };
+use fancy_regex::Regex;
 use lazy_static::lazy_static;
 use log::{info, trace, warn};
 use miette::{IntoDiagnostic, Result};
@@ -18,7 +19,6 @@ use nu_protocol::{
     Type, Value, VarId,
 };
 use reedline::{DefaultHinter, Emacs, SqliteBackedHistory, Vi};
-use regex::Regex;
 use std::io::{self, Write};
 use std::{sync::atomic::Ordering, time::Instant};
 use strip_ansi_escapes::strip;
@@ -494,7 +494,7 @@ fn get_banner(engine_state: &mut EngineState, stack: &mut Stack) -> String {
 
     let banner = format!(
         r#"{}     __  ,
-{} .--()°'.' {}Welcome to {}Nushell{}, 
+{} .--()°'.' {}Welcome to {}Nushell{},
 {}'|, . ,'   {}based on the {}nu{} language,
 {} !_-(_\    {}where all data is structured!
 
@@ -909,7 +909,7 @@ lazy_static! {
 fn looks_like_path(orig: &str) -> bool {
     #[cfg(windows)]
     {
-        if DRIVE_PATH_REGEX.is_match(orig) {
+        if DRIVE_PATH_REGEX.is_match(orig).unwrap_or(false) {
             return true;
         }
     }