Strings::split('0123456789', '#*#'), Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#', ); Assert::exception( fn() => Strings::match('0123456789', '#*#'), Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#', ); Assert::exception( fn() => Strings::matchAll('0123456789', '#*#'), Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#', ); Assert::exception( fn() => Strings::replace('0123456789', '#*#', 'x'), Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#', ); Assert::exception( fn() => Strings::replace('0123456789', ['##', '#*#'], 'x'), Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: ## or #*#', ); function cb() { return 'x'; } Assert::exception( fn() => Strings::replace('0123456789', '#*#', Closure::fromCallable('cb')), Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: #*#', ); Assert::exception( fn() => Strings::replace('0123456789', ['##', '#*#'], Closure::fromCallable('cb')), Nette\Utils\RegexpException::class, 'Compilation failed: %a% in pattern: ## or #*#', );