StringTemplateConverter::parseFieldText

private function parseFieldText(array $context): array
{
	$textBlockStartPosition = $context['position'];
	$matches = null;
	// [", ", [ADDRESS_LINE_1:N,ADDRESS_LINE_2,"Text",LOCALITY,ADM_LEVEL_2]]
	// Are looking for                         ^^^^^^
	if (preg_match(
			'/' . self::REGEX_GROUP_FIELD_TEXT . '/ms' . BX_UTF_PCRE_MODIFIER,
			$context['template'],
			$matches,
			PREG_OFFSET_CAPTURE,
			$context['position']
		)
		&& $matches[0][1] === $textBlockStartPosition
	)
	{
		$context['info'] = [
			'type' => 'text',
			'position' => $textBlockStartPosition,
			'end' => $textBlockStartPosition + strlen($matches[0][0]),
			'value' => $this->unescapeText(
				substr(
					$context['template'],
					$textBlockStartPosition + 1,
					strlen($matches[1][0]) - 2
				)
			),
		];
		$context['position'] = $context['info']['end'];
	}
	else
	{
		$this->addContextError($context, self::ERR_PARSE_GROUP_FIELD_TEXT, $textBlockStartPosition);
	}

	return $context;
}