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Kaa lai pareizi pieraksta preg_match nosacijumus:


šobrid sanjemu error Warning

: preg_match() [


]: Delimiter must not be alphanumeric or backslash


$OSList = array
   	// Match user agent string with operating systems
   	'Windows 3.11' => 'Win16',
   	'Windows 95' => '(Windows 95)|(Win95)|(Windows_95)',
   	'Windows 98' => '(Windows 98)|(Win98)',
   	'Windows 2000' => '(Windows NT 5.0)|(Windows 2000)',
   	'Windows XP' => '(Windows NT 5.1)|(Windows XP)',
   	'Windows Server 2003' => '(Windows NT 5.2)',
   	'Windows Vista' => '(Windows NT 6.0)',
   	'Windows 7' => '(Windows NT 6.1)|(Windows NT 7.0)',
   	'Windows NT 4.0' => '(Windows NT 4.0)|(WinNT4.0)|(WinNT)|(Windows NT)',
   	'Windows ME' => 'Windows ME',
   	'Open BSD' => 'OpenBSD',
   	'Sun OS' => 'SunOS',
   	'Linux' => '(Linux)|(X11)',
   	'Mac OS' => '(Mac_PowerPC)|(Macintosh)',
   	'QNX' => 'QNX',
   	'BeOS' => 'BeOS',
   	'OS/2' => 'OS/2',
 'Mac OS' => 'Mac OS',
   	'Search Bot'=>'(nuhk)|(Googlebot)|(Yammybot)|(Openbot)|(Slurp)|(MSNBot)|(Ask Jeeves/Teoma)|(ia_archiver)'

// Loop through the array of user agents and matching operating systems
foreach($OSList as $CurrOS=>$Match) {
   	// Find a match
   	if (preg_match($Match, $agent)) {
   	} else {
  $CurrOS = "Unknown OS";

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Nosacījumos ir jāeskeipo rezervētie simboli. To var ērti izdarīt ar preg_quote vai arī paskaties kuri tie ir un sabaksti manuāli backslašus priekšā kur vajag.


Edit: piemirsu ka nosacījumiem ir jābūt arī ieliktiem iekš / /

Edited by 404

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Šajā gadījumā var iztikt bez regexsa.


if ($value === $os) # 100% match

if (strpos($value, $os) !== false) # Any position match

if (strtolower($value) === strtolower($os)) # Case-insensitive match

if (strpos(strtolower($value), strtolower($os)) !== false) # Case-insensitive + any position match

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