From 9e1ffc001d4e04884f1ae0b9d66d9ab8d393d8e7 Mon Sep 17 00:00:00 2001
From: Yash Karandikar <nerdstep710@gmail.com>
Date: Tue, 19 Jul 2022 19:26:46 -0500
Subject: [PATCH] Add support for the "i" flag

---
 Cargo.toml          |  1 +
 src/commands/sed.rs | 13 ++++++++++---
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 362f975..5d0e85e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,6 +25,7 @@ rusqlite = { version = "0.28", features = ["bundled"] }
 futures-util = "0.3"
 irc = { version = "0.15", default-features = false, features = ["tls-rust"] }
 async-trait = "0.1"
+regex = "1.6.0"
 
 [features]
 # debug IRC commands
diff --git a/src/commands/sed.rs b/src/commands/sed.rs
index 386d77b..943d6cc 100644
--- a/src/commands/sed.rs
+++ b/src/commands/sed.rs
@@ -1,6 +1,8 @@
 use crate::bot::{Context, Trigger};
 use async_trait::async_trait;
+use fancy_regex::escape;
 use fancy_regex::Captures;
+use regex::RegexBuilder;
 
 pub struct Sed;
 
@@ -25,16 +27,21 @@ impl Trigger for Sed {
             return Ok("No previous messages found.".into());
         };
         if let (Some(find), Some(replace)) = (captures.name("r"), captures.name("w")) {
-            // TODO: karx plz add flags
             let (global, ignore_case) = captures
                 .name("f")
                 .map(|m| m.as_str())
                 .map(|s| (s.contains('g'), s.contains('i')))
                 .unwrap_or_default();
+
+            let escaped = escape(find.as_str());
+            let re = RegexBuilder::new(&escaped)
+                .case_insensitive(ignore_case)
+                .build()
+                .unwrap(); // Of course it's valid, we just escaped special chars
             let result = if global {
-                message.replace(find.as_str(), replace.as_str())
+                re.replace_all(&message, replace.as_str())
             } else {
-                message.replacen(find.as_str(), replace.as_str(), 1)
+                re.replace(&message, replace.as_str())
             };
             if foreign_author {
                 Ok(format!(