From 4b88a1085ceb7380edea1647a43e71da69e45e5d Mon Sep 17 00:00:00 2001
From: Anthony Martin <anthony@i5.agency>
Date: Sat, 22 May 2021 02:46:07 +0200
Subject: [PATCH 1/2] Replace regex in Str::placeholders (#37)

---
 src/Str.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Str.php b/src/Str.php
index d1f91ac..84b6691 100644
--- a/src/Str.php
+++ b/src/Str.php
@@ -428,7 +428,7 @@ public static function mb_substr_replace($string, $replacement, $start, $length
 
     public static function placeholders(string $string, array $replacements, bool $caseInsensitive = false): string
     {
-        $regex = '/{([A-Z0-9_]+)}/' . ($caseInsensitive ? 'i' : '');
+        $regex = '/([a-zA-Z0-9_.-]+)/' . ($caseInsensitive ? 'i' : '');
 
         return preg_replace_callback(
             $regex,

From b74f9798f6c88ad8c4751d526effd3728978c822 Mon Sep 17 00:00:00 2001
From: Anthony Martin <anthony@i5.agency>
Date: Mon, 14 Jun 2021 17:45:39 +0200
Subject: [PATCH 2/2] update regexp with optional bracket and default lowercase
 char

---
 src/Str.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Str.php b/src/Str.php
index 84b6691..60fa6b5 100644
--- a/src/Str.php
+++ b/src/Str.php
@@ -428,7 +428,7 @@ public static function mb_substr_replace($string, $replacement, $start, $length
 
     public static function placeholders(string $string, array $replacements, bool $caseInsensitive = false): string
     {
-        $regex = '/([a-zA-Z0-9_.-]+)/' . ($caseInsensitive ? 'i' : '');
+        $regex = '/{?([a-z0-9_]+)}?/' . ($caseInsensitive ? 'i' : '');
 
         return preg_replace_callback(
             $regex,