Refund Policy

<?php declare(strict_types=1); /* * This file is part of the league/commonmark package. * * (c) Colin O'Dell <colinodell@gmail.com> * * Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js) * - (c) John MacFarlane * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace League\CommonMark\Util; use League\CommonMark\Exception\InvalidArgumentException; use League\CommonMark\Extension\CommonMark\Node\Block\HtmlBlock; /** * Provides regular expressions and utilities for parsing Markdown * * All of the PARTIAL_ regex constants assume that they'll be used in case-insensitive searches * All other complete regexes provided by this class (either via constants or methods) will have case-insensitivity enabled. * * @phpcs:disable Generic.Strings.UnnecessaryStringConcat.Found * * @psalm-immutable */ final class RegexHelper { // Partial regular expressions (wrap with `/` on each side and add the case-insensitive `i` flag before use) public const PARTIAL_ENTITY = '&(?:#x[a-f0-9]{1,6}|#[0-9]{1,7}|[a-z][a-z0-9]{1,31});'; public const PARTIAL_ESCAPABLE = '[!"#$%&\'()*+,.\/:;<=>?@[\\\\\]^_`{|}~-]'; public const PARTIAL_ESCAPED_CHAR = '\\\\' . self::PARTIAL_ESCAPABLE; public const PARTIAL_IN_DOUBLE_QUOTES = '"(' . self::PARTIAL_ESCAPED_CHAR . '|[^"\x00])*"'; public const PARTIAL_IN_SINGLE_QUOTES = '\'(' . self::PARTIAL_ESCAPED_CHAR . '|[^\'\x00])*\''; public const PARTIAL_IN_PARENS = '\$(' . self::PARTIAL_ESCAPED_CHAR . '|[^)\x00])*\$'; public const PARTIAL_REG_CHAR = '[^\\\$)\x00-\x20]'; public const PARTIAL_IN_PARENS_NOSP = '\((' . self::PARTIAL_REG_CHAR . '|' . self::PARTIAL_ESCAPED_CHAR . '|\\\$*\)'; public const PARTIAL_TAGNAME = '[a-z][a-z0-9-]*'; public const PARTIAL_BLOCKTAGNAME = '(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h1|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)'; public const PARTIAL_ATTRIBUTENAME = '[a-z_:][a-z0-9:._-]*'; public const PARTIAL_UNQUOTEDVALUE = '[^"\'=<>`\x00-\x20]+'; public const PARTIAL_SINGLEQUOTEDVALUE = '\'[^\']*\''; public const PARTIAL_DOUBLEQUOTEDVALUE = '"[^"]*"'; public const PARTIAL_ATTRIBUTEVALUE = '(?:' . self::PARTIAL_UNQUOTEDVALUE . '|' . self::PARTIAL_SINGLEQUOTEDVALUE . '|' . self::PARTIAL_DOUBLEQUOTEDVALUE . ')'; public const PARTIAL_ATTRIBUTEVALUESPEC = '(?:' . '\s*=' . '\s*' . self::PARTIAL_ATTRIBUTEVALUE . ')'; public const PARTIAL_ATTRIBUTE = '(?:' . '\s+' . self::PARTIAL_ATTRIBUTENAME . self::PARTIAL_ATTRIBUTEVALUESPEC . '?)'; public const PARTIAL_OPENTAG = '<' . self::PARTIAL_TAGNAME . self::PARTIAL_ATTRIBUTE . '*' . '\s*\/?>'; public const PARTIAL_CLOSETAG = '<\/' . self::PARTIAL_TAGNAME . '\s*[>]'; public const PARTIAL_OPENBLOCKTAG = '<' . self::PARTIAL_BLOCKTAGNAME . self::PARTIAL_ATTRIBUTE . '*' . '\s*\/?>'; public const PARTIAL_CLOSEBLOCKTAG = '<\/' . self::PARTIAL_BLOCKTAGNAME . '\s*[>]'; public const PARTIAL_HTMLCOMMENT = '|'; public const PARTIAL_PROCESSINGINSTRUCTION = '[<][?][\s\S]*?[?][>]'; public const PARTIAL_DECLARATION = '<![A-Z]+' . '[^>]*>'; public const PARTIAL_CDATA = '<!\[CDATA\[[\s\S]*?]\]>'; public const PARTIAL_HTMLTAG = '(?:' . self::PARTIAL_OPENTAG . '|' . self::PARTIAL_CLOSETAG . '|' . self::PARTIAL_HTMLCOMMENT . '|' . self::PARTIAL_PROCESSINGINSTRUCTION . '|' . self::PARTIAL_DECLARATION . '|' . self::PARTIAL_CDATA . ')'; public const PARTIAL_HTMLBLOCKOPEN = '<(?:' . self::PARTIAL_BLOCKTAGNAME . '(?:[\s\/>]|$)' . '|' . '\/' . self::PARTIAL_BLOCKTAGNAME . '(?:[\s>]|$)' . '|' . '[?!])'; public const PARTIAL_LINK_TITLE = '^(?:"(' . self::PARTIAL_ESCAPED_CHAR . '|[^"\x00])*"' . '|' . '\'(' . self::PARTIAL_ESCAPED_CHAR . '|[^\'\x00])*\'' . '|' . '$(' . self::PARTIAL_ESCAPED_CHAR . '|[^()\x00])*$)'; public const REGEX_PUNCTUATION = '/^[\x{2000}-\x{206F}\x{2E00}-\x{2E7F}\p{Pc}\p{Pd}\p{Pe}\p{Pf}\p{Pi}\p{Po}\p{Ps}\\\\\'!"#\$%&\*\+,\-\.\\/:;<=>\?@\[\]\^_`\{\|\}~]/u'; public const REGEX_UNSAFE_PROTOCOL = '/^javascript:|vbscript:|file:|data:/i'; public const REGEX_SAFE_DATA_PROTOCOL = '/^data:image\/(?:png|gif|jpeg|webp)/i'; public const REGEX_NON_SPACE = '/[^ \t\f\v\r\n]/'; public const REGEX_WHITESPACE_CHAR = '/^[ \t\n\x0b\x0c\x0d]/'; public const REGEX_UNICODE_WHITESPACE_CHAR = '/^\pZ|\s/u'; public const REGEX_THEMATIC_BREAK = '/^(?:\*[ \t]*){3,}$|^(?:_[ \t]*){3,}$|^(?:-[ \t]*){3,}$/'; public const REGEX_LINK_DESTINATION_BRACES = '/^(?:<(?:[^<>\\n\\\\\\x00]|\\\\.)*>)/'; /** * @psalm-pure */ public static function isEscapable(string $character): bool { return \preg_match('/' . self::PARTIAL_ESCAPABLE . '/', $character) === 1; } /** * @psalm-pure */ public static function isLetter(?string $character): bool { if ($character === null) { return false; } return \preg_match('/[\pL]/u', $character) === 1; } /** * Attempt to match a regex in string s at offset offset * * @psalm-param non-empty-string $regex * * @return int|null Index of match, or null * * @psalm-pure */ public static function matchAt(string $regex, string $string, int $offset = 0): ?int { $matches = []; $string = \mb_substr($string, $offset, null, 'UTF-8'); if (! \preg_match($regex, $string, $matches, \PREG_OFFSET_CAPTURE)) { return null; } // PREG_OFFSET_CAPTURE always returns the byte offset, not the char offset, which is annoying $charPos = \mb_strlen(\mb_strcut($string, 0, $matches[0][1], 'UTF-8'), 'UTF-8'); return $offset + $charPos; } /** * Functional wrapper around preg_match_all which only returns the first set of matches * * @psalm-param non-empty-string $pattern * * @return string[]|null * * @psalm-pure */ public static function matchFirst(string $pattern, string $subject, int $offset = 0): ?array { if ($offset !== 0) { $subject = \substr($subject, $offset); } \preg_match_all($pattern, $subject, $matches, \PREG_SET_ORDER); if ($matches === []) { return null; } return $matches[0] ?: null; } /** * Replace backslash escapes with literal characters * * @psalm-pure */ public static function unescape(string $string): string { $allEscapedChar = '/\\\\(' . self::PARTIAL_ESCAPABLE . ')/'; $escaped = \preg_replace($allEscapedChar, '$1', $string); \assert(\is_string($escaped)); return \preg_replace_callback('/' . self::PARTIAL_ENTITY . '/i', static fn ($e) => Html5EntityDecoder::decode($e[0]), $escaped); } /** * @internal * * @param int $type HTML block type * * @psalm-param HtmlBlock::TYPE_* $type * * @phpstan-param HtmlBlock::TYPE_* $type * * @psalm-return non-empty-string * * @throws InvalidArgumentException if an invalid type is given * * @psalm-pure */ public static function getHtmlBlockOpenRegex(int $type): string { switch ($type) { case HtmlBlock::TYPE_1_CODE_CONTAINER: return '/^<(?:script|pre|textarea|style)(?:\s|>|$)/i'; case HtmlBlock::TYPE_2_COMMENT: return '/^/'; case HtmlBlock::TYPE_3: return '/\?>/'; case HtmlBlock::TYPE_4: return '/>/'; case HtmlBlock::TYPE_5_CDATA: return '/\]\]>/'; default: throw new InvalidArgumentException('Invalid HTML block type'); } } /** * @psalm-pure */ public static function isLinkPotentiallyUnsafe(string $url): bool { return \preg_match(self::REGEX_UNSAFE_PROTOCOL, $url) !== 0 && \preg_match(self::REGEX_SAFE_DATA_PROTOCOL, $url) === 0; } }

At NFC Pay, we strive to provide a seamless and satisfactory experience with our services. This Refund Policy outlines the circumstances under which refunds may be issued for transactions made through our platform. Please read this policy carefully to understand your rights regarding refunds.
1. Eligibility for Refunds
Refunds may be considered under the following circumstances:

Unauthorized Transactions: If you believe that an unauthorized transaction has occurred on your account, you must report it to us within [30 days] of the transaction date. We will investigate the claim, and if confirmed as unauthorized, a refund will be issued.
Technical Errors: If a transaction fails due to a technical error on our platform, resulting in an incorrect charge, you may be eligible for a refund. Please report the issue to our customer support team as soon as possible.
Service Errors: If a payment was made in error due to a system malfunction or incorrect processing by NFC Pay, you may request a refund. Proof of the error may be required to process your request.

2. Non-Refundable Situations
Refunds will generally not be issued in the following situations:

Completed Transactions: Refunds cannot be processed for completed transactions where the goods or services have already been received as intended.
Merchant Issues: NFC Pay is a payment facilitator and is not responsible for disputes related to the quality or delivery of goods and services provided by merchants. Refunds in these cases must be resolved directly with the merchant.
User Errors: Transactions resulting from user errors, such as incorrect recipient details or duplicate payments, are generally not eligible for refunds. Please double-check your details before confirming any transaction.

3. Refund Process
To request a refund, please follow these steps:

Contact Customer Support: Reach out to our customer support team via [email/phone/app support chat] with your transaction details, including the date, amount, and reason for the refund request.
Investigation: Our team will review your request and may ask for additional information or documentation to support your claim. This process typically takes [5-10 business days], depending on the complexity of the issue.
Refund Decision: After reviewing your request, we will notify you of our decision. If approved, the refund will be processed back to your original payment method. The timing of the refund will depend on your bank or payment provider and may take up to [10 business days] to reflect in your account.

4. Refund Exceptions
Certain transactions may be subject to specific terms and conditions, including non-refundable fees or charges. Please review the terms associated with each transaction carefully, as some fees may not be eligible for refunds.
5. Modifications to the Refund Policy
NFC Pay reserves the right to modify this Refund Policy at any time. Changes will be communicated through updates on our website and app, and the effective date will be updated accordingly. We encourage you to review this policy periodically to stay informed about our refund practices.
By using NFC Pay, you agree to this Refund Policy and understand the terms under which refunds may be issued. Our goal is to ensure a fair and transparent refund process, providing you with confidence and peace of mind when using our services.

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