Парсинг текста по шаблону, вырезано из https://github.com/aymanrb/php-unstructured-text-parser

TextParser.php

<?php


class TextParser {
	public function parse(string $string, string $template){
		$text = $this->prepareText($string);
		$template = $this->prepareTemplate($template);
		return $this->extractData($text, $template);

	}

	protected function prepareText($txt){
		//Remove all multiple whitespaces and replace it with single space
		$txt = preg_replace('/\s+/', ' ', $txt);
		return trim($txt);
	}

	protected function prepareTemplate($template){
		$patterns = ['/\\\{%(.*)%\\\}/U', // 1 Replace all {%Var%}...
			'/\s+/',             // 2 Replace all white-spaces...
		];
		$replacements = ['(?<$1>.*)',         // 1 ...with (?<Var>.*)
			' ',                 // 2 ...with a single space
		];
		$template = preg_replace($patterns, $replacements, preg_quote($template, '/'));
		return trim($template);
	}

	protected function extractData($text, $template){
		//Extract the text based on the provided template using REGEX
		preg_match('/' . $template . '/s', $text, $matches);
		//Extract only the named parameters from the matched regex array
		$keys = array_filter(array_keys($matches), 'is_string');
		$matches = array_intersect_key($matches, array_flip($keys));
		if (!empty($matches)) {
			return $this->cleanExtractedData($matches);
		}
		return false;
	}

	protected function cleanExtractedData($matches){
		return array_map([$this, 'cleanElement'], $matches);
	}

	protected function cleanElement($value){
		return trim(strip_tags($value));
	}

}