From 1522b713da92e1f267208a4a35935e3abc687b15 Mon Sep 17 00:00:00 2001
From: Chris <chris@chris03.com>
Date: Tue, 28 Feb 2023 21:08:15 -0500
Subject: [PATCH] Use grep -E instead of expr

expr was printing  `expr: warning: '^.*[<>"]': using '^' as the first character of a basic regular expression is not portable;`
---
 notify/smtp.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/notify/smtp.sh b/notify/smtp.sh
index 293c665ea7..f5ebebca04 100644
--- a/notify/smtp.sh
+++ b/notify/smtp.sh
@@ -169,7 +169,7 @@ _clean_email_header() {
 # email
 _email_has_display_name() {
   _email="$1"
-  expr "$_email" : '^.*[<>"]' >/dev/null
+  echo "$_email" | grep -q -E '^.*[<>"]'
 }
 
 ##
@@ -249,7 +249,7 @@ _mime_encoded_word() {
   _text="$1"
   # (regex character ranges like [a-z] can be locale-dependent; enumerate ASCII chars to avoid that)
   _ascii='] $`"'"[!#%&'()*+,./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ~^_abcdefghijklmnopqrstuvwxyz{|}~-"
-  if expr "$_text" : "^.*[^$_ascii]" >/dev/null; then
+  if echo "$_text" | grep -q -E "^.*[^$_ascii]"; then
     # At least one non-ASCII char; convert entire thing to encoded word
     printf "%s" "=?UTF-8?B?$(printf "%s" "$_text" | _base64)?="
   else