test: fixed compatiblity with PHP 7.3

Author: dg

tests/Utils/Arrays.grep().errors.phpt

@@ -15,7 +15,7 @@ require __DIR__ . '/../bootstrap.php';
 
 Assert::exception(function () {
 	Arrays::grep(['a', '1', 'c'], '#*#');
-}, Nette\Utils\RegexpException::class, 'Compilation failed: nothing to repeat at offset 0 in pattern: #*#');
+}, Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#');
 
 
 Assert::exception(function () {

tests/Utils/Strings.Regexp.errors.compilation.phpt

@@ -15,23 +15,23 @@ require __DIR__ . '/../bootstrap.php';
 
 Assert::exception(function () {
 	Strings::split('0123456789', '#*#');
-}, Nette\Utils\RegexpException::class, 'Compilation failed: nothing to repeat at offset 0 in pattern: #*#');
+}, Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#');
 
 Assert::exception(function () {
 	Strings::match('0123456789', '#*#');
-}, Nette\Utils\RegexpException::class, 'Compilation failed: nothing to repeat at offset 0 in pattern: #*#');
+}, Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#');
 
 Assert::exception(function () {
 	Strings::matchAll('0123456789', '#*#');
-}, Nette\Utils\RegexpException::class, 'Compilation failed: nothing to repeat at offset 0 in pattern: #*#');
+}, Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#');
 
 Assert::exception(function () {
 	Strings::replace('0123456789', '#*#', 'x');
-}, Nette\Utils\RegexpException::class, 'Compilation failed: nothing to repeat at offset 0 in pattern: #*#');
+}, Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#');
 
 Assert::exception(function () {
 	Strings::replace('0123456789', ['##', '#*#'], 'x');
-}, Nette\Utils\RegexpException::class, 'Compilation failed: nothing to repeat at offset 0 in pattern: ## or #*#');
+}, Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: ## or #*#');
 
 
 function cb()
@@ -42,8 +42,8 @@ function cb()
 
 Assert::exception(function () {
 	Strings::replace('0123456789', '#*#', Nette\Utils\Callback::closure('cb'));
-}, Nette\Utils\RegexpException::class, 'Compilation failed: nothing to repeat at offset 0 in pattern: #*#');
+}, Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#');
 
 Assert::exception(function () {
 	Strings::replace('0123456789', ['##', '#*#'], Nette\Utils\Callback::closure('cb'));
-}, Nette\Utils\RegexpException::class, 'Compilation failed: nothing to repeat at offset 0 in pattern: ## or #*#');
+}, Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: ## or #*#');