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|
<?php
/**
* @author Mike Cochrane <mikec@mikenz.geek.nz>
* @author Nick Pope <nick@nickpope.me.uk>
* @copyright Copyright © 2010, Mike Cochrane, Nick Pope
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License v2.0
* @package Twitter.Text
*/
namespace Twitter\Text;
/**
* Twitter Regex Abstract Class
*
* Used by subclasses that need to parse tweets.
*
* Originally written by {@link http://github.com/mikenz Mike Cochrane}, this
* is based on code by {@link http://github.com/mzsanford Matt Sanford} and
* heavily modified by {@link http://github.com/ngnpope Nick Pope}.
*
* @author Mike Cochrane <mikec@mikenz.geek.nz>
* @author Nick Pope <nick@nickpope.me.uk>
* @copyright Copyright © 2010, Mike Cochrane, Nick Pope
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License v2.0
* @package Twitter
*/
class Regex
{
/**
* Expression to match whitespace characters.
*
* 0x0009-0x000D Cc # <control-0009>..<control-000D>
* 0x0020 Zs # SPACE
* 0x0085 Cc # <control-0085>
* 0x00A0 Zs # NO-BREAK SPACE
* 0x1680 Zs # OGHAM SPACE MARK
* 0x180E Zs # MONGOLIAN VOWEL SEPARATOR
* 0x2000-0x200A Zs # EN QUAD..HAIR SPACE
* 0x2028 Zl # LINE SEPARATOR
* 0x2029 Zp # PARAGRAPH SEPARATOR
* 0x202F Zs # NARROW NO-BREAK SPACE
* 0x205F Zs # MEDIUM MATHEMATICAL SPACE
* 0x3000 Zs # IDEOGRAPHIC SPACE
*
* @var string
*/
// @codingStandardsIgnoreStart
private static $spaces = '\x{0009}-\x{000D}\x{0020}\x{0085}\x{00a0}\x{1680}\x{180E}\x{2000}-\x{200a}\x{2028}\x{2029}\x{202f}\x{205f}\x{3000}'; // @codingStandardsIgnoreEnd
/**
* Expression to match latin accented characters.
*
* 0x00C0-0x00D6
* 0x00D8-0x00F6
* 0x00F8-0x00FF
* 0x0100-0x024f
* 0x0253-0x0254
* 0x0256-0x0257
* 0x0259
* 0x025b
* 0x0263
* 0x0268
* 0x026f
* 0x0272
* 0x0289
* 0x028b
* 0x02bb
* 0x0300-0x036f
* 0x1e00-0x1eff
*
* Excludes 0x00D7 - multiplication sign (confusable with 'x').
* Excludes 0x00F7 - division sign.
*
* @var string
*/
// @codingStandardsIgnoreStart
private static $latinAccents = '\x{00c0}-\x{00d6}\x{00d8}-\x{00f6}\x{00f8}-\x{00ff}\x{0100}-\x{024f}\x{0253}-\x{0254}\x{0256}-\x{0257}\x{0259}\x{025b}\x{0263}\x{0268}\x{026f}\x{0272}\x{0289}\x{028b}\x{02bb}\x{0300}-\x{036f}\x{1e00}-\x{1eff}'; // @codingStandardsIgnoreEnd
/**
* Invalid Characters
*
* 0xFFFE,0xFEFF # BOM
* 0xFFFF # Special
* 0x202A-0x202E # Directional change
*/
private static $invalidCharacters = '\x{202a}-\x{202e}\x{feff}\x{fffe}\x{ffff}';
/**
* Directional Characters
*
* 0x061C ARABIC LETTER MARK (ALM)
* 0x200E LEFT-TO-RIGHT MARK (LRM)
* 0x200F RIGHT-TO-LEFT MARK (RLM)
* 0x202A LEFT-TO-RIGHT EMBEDDING (LRE)
* 0x202B RIGHT-TO-LEFT EMBEDDING (RLE)
* 0x202C POP DIRECTIONAL FORMATTING (PDF)
* 0x202D LEFT-TO-RIGHT OVERRIDE (LRO)
* 0x202E RIGHT-TO-LEFT OVERRIDE (RLO)
* 0x2066 LEFT-TO-RIGHT ISOLATE (LRI)
* 0x2067 RIGHT-TO-LEFT ISOLATE (RLI)
* 0x2068 FIRST STRONG ISOLATE (FSI)
* 0x2069 POP DIRECTIONAL ISOLATE (PDI)
*/
private static $directionalCharacters = '\x{061c}\x{200e}\x{200f}\x{202a}\x{202e}\x{2066}\x{2069}';
/**
* Expression to match RTL characters.
*
* 0x0600-0x06FF Arabic
* 0x0750-0x077F Arabic Supplement
* 0x08A0-0x08FF Arabic Extended-A
* 0x0590-0x05FF Hebrew
* 0xFB50-0xFDFF Arabic Presentation Forms-A
* 0xFE70-0xFEFF Arabic Presentation Forms-B
*
* @var string
*/
// @codingStandardsIgnoreStart
private static $rtlChars = '\x{0600}-\x{06ff}\x{0750}-\x{077f}\x{08a0}-\x{08ff}\x{0590}-\x{05ff}\x{fb50}-\x{fdff}\x{fe70}-\x{feff}'; // @codingStandardsIgnoreEnd
# Expression to match at and hash sign characters:
private static $atSigns = '@@';
private static $hashSigns = '##';
# cash tags
private static $cashSigns = '\$';
private static $cashtag = '[a-z]{1,6}(?:[._][a-z]{1,2})?';
# These URL validation pattern strings are based on the ABNF from RFC 3986
private static $validateUrlUnreserved = '[a-z\p{Cyrillic}0-9\-._~]';
private static $validateUrlPctEncoded = '(?:%[0-9a-f]{2})';
private static $validateUrlSubDelims = '[!$&\'()*+,;=]';
private static $validUrlQueryChars = '[a-z0-9!?\*\'\(\);:&=\+\$\/%#\[\]\-_\.,~|@]';
private static $validUrlQueryEndingChars = '[a-z0-9_&=#\/\-]';
// @codingStandardsIgnoreStart
private static $validateUrlIpv4 = '(?:(?:[0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(?:\.(?:[0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])){3})'; // @codingStandardsIgnoreEnd
private static $validateUrlIpv6 = '(?:\[[a-f0-9:\.]+\])';
private static $validateUrlPort = '[0-9]{1,5}';
# URL related hash regex collection
private static $validSpecialCcTLD = '(?:(?:co|tv)(?=[^0-9a-z@]|$))';
private static $validPunycode = '(?:xn--[0-9a-z]+)';
/**
* Get invalid characters matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getInvalidCharactersMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/[' . static::$invalidCharacters . ']/u';
}
return $regexp;
}
/**
* Get RTL characters matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getRtlCharsMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/[' . static::$rtlChars . ']/iu';
}
return $regexp;
}
// =================================================================================================================
/**
* Get valid ascii domain matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidAsciiDomainMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/' . static::getValidSubdomain() . '*(' . static::getValidDomainName()
. ')(?:' . TldLists::getValidGTLD() . '|' . TldLists::getValidCcTLD()
. '|' . static::$validPunycode . ')/iu';
}
return $regexp;
}
/**
* Get valid tco url matcher
*
* Used by the extractor for stricter t.co URL extraction
*
* @staticvar string $regexp
* @return string
*/
public static function getValidTcoUrlMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/^https?:\/\/t\.co\/([a-z0-9]+)'
. '(?:\?' . static::$validUrlQueryChars . '*' . static::$validUrlQueryEndingChars . ')?/iu';
}
return $regexp;
}
/**
* Get invalid short domain matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getInvalidShortDomainMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/\A' . static::getValidDomainName() . TldLists::getValidCcTLD() . '\Z/iu';
}
return $regexp;
}
/**
* Get valid special short domain matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidSpecialShortDomainMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/\A' . static::getValidDomainName() . static::$validSpecialCcTLD . '\Z/iu';
}
return $regexp;
}
/**
* Get invalid url without protocol preceding chars matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getInvalidUrlWithoutProtocolPrecedingCharsMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/[\-_.\/]\z/iu';
}
return $regexp;
}
/**
* Get valid url
*
* @staticvar string $regexp
* @return string
*/
public static function getValidUrlMatcher()
{
static $regexp = null;
if ($regexp === null) {
$validUrlPrecedingChars = '(?:[^a-z0-9_@@\$##' . static::$invalidCharacters . ']|[' . static::$directionalCharacters . ']|^)';
$validPortNumber = '[0-9]+';
$regexp = '/(?:' # $1 Complete match (preg_match() already matches everything.)
. '(' . $validUrlPrecedingChars . ')' # $2 Preceding characters
. '(' # $3 Complete URL
. '(https?:\/\/)?' # $4 Protocol (optional)
. '(' . static::getValidDomain() . ')' # $5 Domain(s)
. '(?::(' . $validPortNumber . '))?' # $6 Port number (optional)
. '(\/' . static::getValidUrlPath() . '*)?' # $7 URL Path
. '(\?' . static::$validUrlQueryChars . '*' . static::$validUrlQueryEndingChars . ')?' # $8 Query String
. ')'
. ')/iux';
}
return $regexp;
}
/**
* Get valid domain chars
*
* @return string
*/
private static function getValidDomainChars()
{
return '0-9a-z' . static::$latinAccents;
}
/**
* Get valid subdomain
*
* @return string
*/
private static function getValidSubdomain()
{
$domainValidChars = static::getValidDomainChars();
return '(?>(?:[' . $domainValidChars . '][' . $domainValidChars . '\-_]*)?[' . $domainValidChars . ']\.)';
}
/**
* Get valid domain name
*
* @return string
*/
private static function getValidDomainName()
{
$domainValidChars = static::getValidDomainChars();
return '(?:(?:[' . $domainValidChars . '][' . $domainValidChars . '\-]*)?[' . $domainValidChars . ']\.)';
}
/**
* Get valid unicode domain chars
*
* @return string
*/
private static function getValidUnicodeDomainChars()
{
return '[^\p{P}\p{Z}\p{C}' . static::$invalidCharacters . static::$spaces . ']';
}
/**
* Get valid unicode domain name
*
* @return string
*/
private static function getValidUnicodeDomainName()
{
$domainValidChars = static::getValidUnicodeDomainChars();
return '(?:(?:' . $domainValidChars . '(?:' . $domainValidChars . '|[\-])*)?' . $domainValidChars . '\.)';
}
/**
* Get valid domain
*
* @return string
*/
private static function getValidDomain()
{
$validSubdomain = static::getValidSubdomain();
$validDomainName = static::getValidDomainName();
$validUnicodeDomainName = static::getValidUnicodeDomainName();
$validGTLD = TldLists::getValidGTLD();
$validCcTLD = TldLists::getValidCcTLD();
return ''
// optional sub-domain + domain + TLD
// e.g. twitter.com, foo.co.jp, bar.co.uk
. '(?:' . $validSubdomain . '*' . $validDomainName
. '(?:' . $validGTLD . '|' . $validCcTLD . '|' . static::$validPunycode . '))'
// domain + gTLD | protocol + unicode domain + gTLD
. '|(?:'
. '(?:' . $validSubdomain . '+' . $validDomainName
. '|' . $validDomainName
. '|(?:(?<=http:\/\/|https:\/\/)' . $validUnicodeDomainName . ')'
. ')'
. $validGTLD
. ')'
// protocol + (domain | unicode domain) + ccTLD
. '|(?:(?<=http:\/\/|https:\/\/)'
. '(?:' . $validDomainName . '|' . $validUnicodeDomainName . ')'
. $validCcTLD . ')'
// domain + ccTLD + '/'
// e.g. t.co/
. '|(?:' . $validDomainName . $validCcTLD . '(?=\/))';
}
/**
* Get valid url path
*
* @return string
*/
private static function getValidUrlPath()
{
$validGeneralUrlPathChars = '[a-z0-9' . preg_quote("!*';:=+,.$/%#[]–\x{2013}_~", '/')
. '|&@' . static::$latinAccents . '\p{Cyrillic}]';
# Allow URL paths to contain up to two nested levels of balanced parentheses:
# 1. Used in Wikipedia URLs, e.g. /Primer_(film)
# 2. Used in IIS sessions, e.g. /S(dfd346)/
# 3. Used in Rdio URLs like /track/We_Up_(Album_Version_(Edited))/
$validUrlBalancedParens = '(?:\('
. '(?:' . $validGeneralUrlPathChars . '+'
. '|'
// allow one nested level of balanced parentheses
. '(?:'
. $validGeneralUrlPathChars . '*'
. '\(' . $validGeneralUrlPathChars . '+' . '\)'
. $validGeneralUrlPathChars . '*'
. ')'
. ')'
. '\))';
# Valid end-of-path characters (so /foo. does not gobble the period).
# 1. Allow =&# for empty URL parameters and other URL-join artifacts.
$validUrlPathEndingChars = '[a-z0-9=_#\/\+\-' . static::$latinAccents . '\p{Cyrillic}]'
. '|(?:' . $validUrlBalancedParens . ')';
return '(?:(?:'
. $validGeneralUrlPathChars . '*(?:'
. $validUrlBalancedParens . ' '
. $validGeneralUrlPathChars . '*)*'
. $validUrlPathEndingChars . ')|(?:@'
. $validGeneralUrlPathChars . '+\/))';
}
// =================================================================================================================
# NOTE: PHP doesn't have Ruby's $' (dollar apostrophe) so we have to capture
# $after in the following regular expression. Note that we only use a
# look-ahead capture here and don't append $after when we return.
/**
* Get valid mentions or lists matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidMentionsOrListsMatcher()
{
static $regexp = null;
if ($regexp === null) {
$mentionPrecedingChars = '([^a-z0-9_!#\$%&*@@\/]|^|(?:^|[^a-z0-9_+~.-])RT:?)';
$regexp = '/' . $mentionPrecedingChars
. '([' . static::$atSigns . '])([a-z0-9_]{1,20})(\/[a-z][a-z0-9_\-]{0,24})?(?=(.*|$))/iu';
}
return $regexp;
}
/**
* Get valid hashtag matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidReplyMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/^(?:[' . static::$spaces . static::$directionalCharacters . '])*[' . static::$atSigns . ']([a-z0-9_]{1,20})(?=(.*|$))/iu';
}
return $regexp;
}
/**
* Get end of hashtag matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getEndMentionMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/\A(?:[' . static::$atSigns . ']|[' . static::$latinAccents . ']|:\/\/)/iu';
}
return $regexp;
}
// =================================================================================================================
/**
* Get hashtag matcher
*
* @return string matcher
*/
private static function getHashtagPattern()
{
$hashtag_letters = '\p{L}\p{M}';
$hashtag_numerals = '\p{Nd}';
# Hashtag special chars
#
# _ underscore
# 0x200c ZERO WIDTH NON-JOINER (ZWNJ)
# 0x200d ZERO WIDTH JOINER (ZWJ)
# 0xa67e CYRILLIC KAVYKA
# 0x05be HEBREW PUNCTUATION MAQAF
# 0x05f3 HEBREW PUNCTUATION GERESH
# 0x05f4 HEBREW PUNCTUATION GERSHAYIM
# 0xff5e FULLWIDTH TILDE
# 0x301c WAVE DASH
# 0x309b KATAKANA-HIRAGANA VOICED SOUND MARK
# 0x309c KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK
# 0x30a0 KATAKANA-HIRAGANA DOUBLE HYPHEN
# 0x30fb KATAKANA MIDDLE DOT
# 0x3003 DITTO MARK
# 0x0f0b TIBETAN MARK INTERSYLLABIC TSHEG
# 0x0f0c TIBETAN MARK DELIMITER TSHEG BSTAR
# 0x00b7 MIDDLE DOT
$hashtag_special_chars = '_\x{200c}\x{200d}\x{a67e}\x{05be}\x{05f3}\x{05f4}'
. '\x{ff5e}\x{301c}\x{309b}\x{309c}\x{30a0}\x{30fb}\x{3003}\x{0f0b}\x{0f0c}\x{00b7}';
$hashtag_letters_numerals_set = '[' . $hashtag_letters . $hashtag_numerals . $hashtag_special_chars . ']';
$hashtag_letters_set = '[' . $hashtag_letters . ']';
$hashtag_boundary = '(?:\A|\x{fe0e}|\x{fe0f}|[^&'
. $hashtag_letters . $hashtag_numerals . $hashtag_special_chars . '])';
return '(' . $hashtag_boundary . ')(#|\x{ff03})(?!\x{fe0f}|\x{20e3})('
. $hashtag_letters_numerals_set . '*' . $hashtag_letters_set . $hashtag_letters_numerals_set . '*)';
}
/**
* Get valid hashtag matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidHashtagMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/' . static::getHashtagPattern() . '(?=(.*|$))/iu';
}
return $regexp;
}
/**
* Get end of hashtag matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getEndHashtagMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/\A(?:[' . static::$hashSigns . ']|:\/\/)/u';
}
return $regexp;
}
// =================================================================================================================
/**
* Get valid cachtag matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidCashtagMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/(^|[' . static::$spaces . static::$directionalCharacters . '])([' . static::$cashSigns . '])'
. '(' . static::$cashtag . ')(?=($|\s|[[:punct:]]))/iu';
}
return $regexp;
}
/**
* Get end of cachtag matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getEndCashtagMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/\A(?:[' . static::$cashSigns . ']|:\/\/)/u';
}
return $regexp;
}
// =================================================================================================================
/**
* Get url matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidateUrlUnencodedMatcher()
{
static $regexp = null;
if ($regexp === null) {
# Modified version of RFC 3986 Appendix B
$regexp = '/\A' # Full URL
. '(?:'
. '([^:\/?#]+):\/\/' # $1 Scheme
. ')?'
. '([^\/?#]*)' # $2 Authority
. '([^?#]*)' # $3 Path
. '(?:'
. '\?([^#]*)' # $4 Query
. ')?'
. '(?:'
. '\#(.*)' # $5 Fragment
. ')?\z/iux';
}
return $regexp;
}
/**
* Get valid url ip
*
* @return string matcher
*/
private static function getValidateUrlIp()
{
return '(?:' . static::$validateUrlIpv4 . '|' . static::$validateUrlIpv6 . ')'; #/iox
}
/**
* Get valid url domain
*
* @return string matcher
*/
private static function getValidateUrlDomain()
{
$subdomain = '(?:[a-z0-9](?:[a-z0-9_\-]*[a-z0-9])?)'; #/i
$domain = '(?:[a-z0-9](?:[a-z0-9\-]*[a-z0-9])?)'; #/i
$tld = '(?:[a-z](?:[a-z0-9\-]*[a-z0-9])?)'; #/i
return '(?:(?:' . $subdomain . '\.)*(?:' . $domain . '\.)' . $tld . ')'; #/iox
}
/**
* Get valid url host
*
* @return string matcher
*/
private static function getValidateUrlHost()
{
return '(?:' . static::getValidateUrlIp() . '|' . static::getValidateUrlDomain() . ')'; #/iox
}
/**
* Get valid url unicode domain
*
* @return string matcher
*/
private static function getValidateUrlUnicodeDomain()
{
$subdomain = '(?:(?:[a-z0-9]|[^\x00-\x7f])(?:(?:[a-z0-9_\-]|[^\x00-\x7f])*(?:[a-z0-9]|[^\x00-\x7f]))?)'; #/ix
$domain = '(?:(?:[a-z0-9]|[^\x00-\x7f])(?:(?:[a-z0-9\-]|[^\x00-\x7f])*(?:[a-z0-9]|[^\x00-\x7f]))?)'; #/ix
$tld = '(?:(?:[a-z]|[^\x00-\x7f])(?:(?:[a-z0-9\-]|[^\x00-\x7f])*(?:[a-z0-9]|[^\x00-\x7f]))?)'; #/ix
return '(?:(?:' . $subdomain . '\.)*(?:' . $domain . '\.)' . $tld . ')'; #/iox
}
/**
* Get valid url unicode host
*
* @return string matcher
*/
private static function getValidateUrlUnicodeHost()
{
return '(?:' . static::getValidateUrlIp() . '|' . static::getValidateUrlUnicodeDomain() . ')'; #/iox
}
/**
* Get valid url userinfo
*
* @return string matcher
*/
private static function getValidateUrlUserinfo()
{
return '(?:' . static::$validateUrlUnreserved
. '|' . static::$validateUrlPctEncoded
. '|' . static::$validateUrlSubDelims
. '|:)*'; #/iox
}
/**
* Get url unicode authority matcher
*
* Unencoded internationalized domains - this doesn't check for invalid UTF-8 sequences
*
* @staticvar string $regexp
* @return string
*/
public static function getValidateUrlUnicodeAuthorityMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/'
. '(?:(' . static::getValidateUrlUserinfo() . ')@)?' # $1 userinfo
. '(' . static::getValidateUrlUnicodeHost() . ')' # $2 host
. '(?::(' . static::$validateUrlPort . '))?' # $3 port
. '/iux';
}
return $regexp;
}
/**
* Get url authority matcher
*
* This is more strict than the rfc specifies
*
* @staticvar string $regexp
* @return string
*/
public static function getValidateUrlAuthorityMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/'
. '(?:(' . static::getValidateUrlUserinfo() . ')@)?' # $1 userinfo
. '(' . static::getValidateUrlHost() . ')' # $2 host
. '(?::(' . static::$validateUrlPort . '))?' # $3 port
. '/ix';
}
return $regexp;
}
/**
* Get url scheme matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidateUrlSchemeMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/(?:[a-z][a-z0-9+\-.]*)/i';
}
return $regexp;
}
/**
* Get valid url charactors
*
* @return string matcher
*/
private static function getValidateUrlPchar()
{
return '(?:' . static::$validateUrlUnreserved
. '|' . static::$validateUrlPctEncoded
. '|' . static::$validateUrlSubDelims
. '|[:\|@])'; #/iox
}
/**
* Get url path matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidateUrlPathMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/(\/' . static::getValidateUrlPchar() . '*)*/iu';
}
return $regexp;
}
/**
* Get url query matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidateUrlQueryMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/(' . static::getValidateUrlPchar() . '|\/|\?)*/iu';
}
return $regexp;
}
/**
* Get url flagment matcher
*
* @staticvar string $regexp
* @return string
*/
public static function getValidateUrlFragmentMatcher()
{
static $regexp = null;
if ($regexp === null) {
$regexp = '/(' . static::getValidateUrlPchar() . '|\/|\?)*/iu';
}
return $regexp;
}
}
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