MarkdownRegExps.php

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<?php

declare(strict_types=1);

namespace ILIAS\Data\Text\Markup;

enum MarkdownRegExps: string
{
    case HEADINGS = '^(\#){1,6}(\ )';
    case UNORDERED_LIST = '^(\[-*+] )';
    case ORDERED_LIST = '^([0-9]+)(\.\ )';
    case LINE_BREAK = "((  )|(\\\\))$";
    case PARAGRAPH = "$^$";
    case BLOCKQUOTE = '^(>)+';
    case CODEBLOCK = "^```";
    case LINK = '\[(.)*\]\((.)+\)';           // [title](url)
    case LINK_REF_USAGE = '\[(.)*\]\([.]+\)'; // [title][id]
    case IMAGE = '\!\[(.)*\]\((.)+\)';        // ![](url)
    case IMAGE_REF_USAGE = '\!\[(.)+\]';            // ![][id]
    case REF = '\[(.)*\]\:(.)+';              // [id]:url
}