Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
gm

Test String

Code Generator

Language

Generated Code

$re = '/^(iPhone|iPad|iPod|Watch)(\d{1,2}),(\d{1}).*$/m'; $str = 'iPhone1,1 : iPhone iPhone1,2 : iPhone 3G iPhone2,1 : iPhone 3GS iPhone3,1 : iPhone 4 iPhone3,2 : iPhone 4 GSM Rev A iPhone3,3 : iPhone 4 CDMA iPhone4,1 : iPhone 4S iPhone5,1 : iPhone 5 (GSM) iPhone5,2 : iPhone 5 (GSM+CDMA) iPhone5,3 : iPhone 5C (GSM) iPhone5,4 : iPhone 5C (Global) iPhone6,1 : iPhone 5S (GSM) iPhone6,2 : iPhone 5S (Global) iPhone7,1 : iPhone 6 Plus iPhone7,2 : iPhone 6 iPhone8,1 : iPhone 6s iPhone8,2 : iPhone 6s Plus iPhone8,4 : iPhone SE (GSM) iPhone9,1 : iPhone 7 iPhone9,2 : iPhone 7 Plus iPhone9,3 : iPhone 7 iPhone9,4 : iPhone 7 Plus iPhone10,1 : iPhone 8 iPhone10,2 : iPhone 8 Plus iPhone10,3 : iPhone X Global iPhone10,4 : iPhone 8 iPhone10,5 : iPhone 8 Plus iPhone10,6 : iPhone X GSM iPhone11,2 : iPhone XS iPhone11,4 : iPhone XS Max iPhone11,6 : iPhone XS Max Global iPhone11,8 : iPhone XR iPhone12,1 : iPhone 11 iPhone12,3 : iPhone 11 Pro iPhone12,5 : iPhone 11 Pro Max iPhone12,8 : iPhone SE 2nd Gen iPhone13,1 : iPhone 12 Mini iPhone13,2 : iPhone 12 iPhone13,3 : iPhone 12 Pro iPhone13,4 : iPhone 12 Pro Max iPhone14,2 : iPhone 13 Pro iPhone14,3 : iPhone 13 Pro Max iPhone14,4 : iPhone 13 Mini iPhone14,5 : iPhone 13 iPhone14,6 : iPhone SE 3rd Gen iPhone14,7 : iPhone 14 iPhone14,8 : iPhone 14 Plus iPhone15,2 : iPhone 14 Pro iPhone15,3 : iPhone 14 Pro Max iPod1,1 : 1st Gen iPod iPod2,1 : 2nd Gen iPod iPod3,1 : 3rd Gen iPod iPod4,1 : 4th Gen iPod iPod5,1 : 5th Gen iPod iPod7,1 : 6th Gen iPod iPod9,1 : 7th Gen iPod iPad1,1 : iPad iPad1,2 : iPad 3G iPad2,1 : 2nd Gen iPad iPad2,2 : 2nd Gen iPad GSM iPad2,3 : 2nd Gen iPad CDMA iPad2,4 : 2nd Gen iPad New Revision iPad3,1 : 3rd Gen iPad iPad3,2 : 3rd Gen iPad CDMA iPad3,3 : 3rd Gen iPad GSM iPad2,5 : iPad mini iPad2,6 : iPad mini GSM+LTE iPad2,7 : iPad mini CDMA+LTE iPad3,4 : 4th Gen iPad iPad3,5 : 4th Gen iPad GSM+LTE iPad3,6 : 4th Gen iPad CDMA+LTE iPad4,1 : iPad Air (WiFi) iPad4,2 : iPad Air (GSM+CDMA) iPad4,3 : 1st Gen iPad Air (China) iPad4,4 : iPad mini Retina (WiFi) iPad4,5 : iPad mini Retina (GSM+CDMA) iPad4,6 : iPad mini Retina (China) iPad4,7 : iPad mini 3 (WiFi) iPad4,8 : iPad mini 3 (GSM+CDMA) iPad4,9 : iPad Mini 3 (China) iPad5,1 : iPad mini 4 (WiFi) iPad5,2 : 4th Gen iPad mini (WiFi+Cellular) iPad5,3 : iPad Air 2 (WiFi) iPad5,4 : iPad Air 2 (Cellular) iPad6,3 : iPad Pro (9.7 inch, WiFi) iPad6,4 : iPad Pro (9.7 inch, WiFi+LTE) iPad6,7 : iPad Pro (12.9 inch, WiFi) iPad6,8 : iPad Pro (12.9 inch, WiFi+LTE) iPad6,11 : iPad (2017) iPad6,12 : iPad (2017) iPad7,1 : iPad Pro 2nd Gen (WiFi) iPad7,2 : iPad Pro 2nd Gen (WiFi+Cellular) iPad7,3 : iPad Pro 10.5-inch 2nd Gen iPad7,4 : iPad Pro 10.5-inch 2nd Gen iPad7,5 : iPad 6th Gen (WiFi) iPad7,6 : iPad 6th Gen (WiFi+Cellular) iPad7,11 : iPad 7th Gen 10.2-inch (WiFi) iPad7,12 : iPad 7th Gen 10.2-inch (WiFi+Cellular) iPad8,1 : iPad Pro 11 inch 3rd Gen (WiFi) iPad8,2 : iPad Pro 11 inch 3rd Gen (1TB, WiFi) iPad8,3 : iPad Pro 11 inch 3rd Gen (WiFi+Cellular) iPad8,4 : iPad Pro 11 inch 3rd Gen (1TB, WiFi+Cellular) iPad8,5 : iPad Pro 12.9 inch 3rd Gen (WiFi) iPad8,6 : iPad Pro 12.9 inch 3rd Gen (1TB, WiFi) iPad8,7 : iPad Pro 12.9 inch 3rd Gen (WiFi+Cellular) iPad8,8 : iPad Pro 12.9 inch 3rd Gen (1TB, WiFi+Cellular) iPad8,9 : iPad Pro 11 inch 4th Gen (WiFi) iPad8,10 : iPad Pro 11 inch 4th Gen (WiFi+Cellular) iPad8,11 : iPad Pro 12.9 inch 4th Gen (WiFi) iPad8,12 : iPad Pro 12.9 inch 4th Gen (WiFi+Cellular) iPad11,1 : iPad mini 5th Gen (WiFi) iPad11,2 : iPad mini 5th Gen iPad11,3 : iPad Air 3rd Gen (WiFi) iPad11,4 : iPad Air 3rd Gen iPad11,6 : iPad 8th Gen (WiFi) iPad11,7 : iPad 8th Gen (WiFi+Cellular) iPad12,1 : iPad 9th Gen (WiFi) iPad12,2 : iPad 9th Gen (WiFi+Cellular) iPad14,1 : iPad mini 6th Gen (WiFi) iPad14,2 : iPad mini 6th Gen (WiFi+Cellular) iPad13,1 : iPad Air 4th Gen (WiFi) iPad13,2 : iPad Air 4th Gen (WiFi+Cellular) iPad13,4 : iPad Pro 11 inch 5th Gen iPad13,5 : iPad Pro 11 inch 5th Gen iPad13,6 : iPad Pro 11 inch 5th Gen iPad13,7 : iPad Pro 11 inch 5th Gen iPad13,8 : iPad Pro 12.9 inch 5th Gen iPad13,9 : iPad Pro 12.9 inch 5th Gen iPad13,10 : iPad Pro 12.9 inch 5th Gen iPad13,11 : iPad Pro 12.9 inch 5th Gen iPad13,16 : iPad Air 5th Gen (WiFi) iPad13,17 : iPad Air 5th Gen (WiFi+Cellular) iPad13,18: iPad 10th Gen iPad13,19: iPad 10th Gen iPad14,3-A: iPad Pro 11 inch 4th Gen iPad14,3-B: iPad Pro 11 inch 4th Gen iPad14,4-A: iPad Pro 11 inch 4th Gen iPad14,4-B: iPad Pro 11 inch 4th Gen iPad14,5-A: iPad Pro 12.9 inch 6th Gen iPad14,5-B: iPad Pro 12.9 inch 6th Gen iPad14,6-A: iPad Pro 12.9 inch 6th Gen iPad14,6-B: iPad Pro 12.9 inch 6th Gen Watch1,1 : Apple Watch 38mm case Watch1,2 : Apple Watch 42mm case Watch2,6 : Apple Watch Series 1 38mm case Watch2,7 : Apple Watch Series 1 42mm case Watch2,3 : Apple Watch Series 2 38mm case Watch2,4 : Apple Watch Series 2 42mm case Watch3,1 : Apple Watch Series 3 38mm case (GPS+Cellular) Watch3,2 : Apple Watch Series 3 42mm case (GPS+Cellular) Watch3,3 : Apple Watch Series 3 38mm case (GPS) Watch3,4 : Apple Watch Series 3 42mm case (GPS) Watch4,1 : Apple Watch Series 4 40mm case (GPS) Watch4,2 : Apple Watch Series 4 44mm case (GPS) Watch4,3 : Apple Watch Series 4 40mm case (GPS+Cellular) Watch4,4 : Apple Watch Series 4 44mm case (GPS+Cellular) Watch5,1 : Apple Watch Series 5 40mm case (GPS) Watch5,2 : Apple Watch Series 5 44mm case (GPS) Watch5,3 : Apple Watch Series 5 40mm case (GPS+Cellular) Watch5,4 : Apple Watch Series 5 44mm case (GPS+Cellular) Watch5,9 : Apple Watch SE 40mm case (GPS) Watch5,10 : Apple Watch SE 44mm case (GPS) Watch5,11 : Apple Watch SE 40mm case (GPS+Cellular) Watch5,12 : Apple Watch SE 44mm case (GPS+Cellular) Watch6,1 : Apple Watch Series 6 40mm case (GPS) Watch6,2 : Apple Watch Series 6 44mm case (GPS) Watch6,3 : Apple Watch Series 6 40mm case (GPS+Cellular) Watch6,4 : Apple Watch Series 6 44mm case (GPS+Cellular) Watch6,6 : Apple Watch Series 7 41mm case (GPS) Watch6,7 : Apple Watch Series 7 45mm case (GPS) Watch6,8 : Apple Watch Series 7 41mm case (GPS+Cellular) Watch6,9 : Apple Watch Series 7 45mm case (GPS+Cellular) Watch6,10 : Apple Watch SE 40mm case (GPS) Watch6,11 : Apple Watch SE 44mm case (GPS) Watch6,12 : Apple Watch SE 40mm case (GPS+Cellular) Watch6,13 : Apple Watch SE 44mm case (GPS+Cellular) Watch6,14 : Apple Watch Series 8 41mm case (GPS) Watch6,15 : Apple Watch Series 8 45mm case (GPS) Watch6,16 : Apple Watch Series 8 41mm case (GPS+Cellular) Watch6,17 : Apple Watch Series 8 45mm case (GPS+Cellular) Watch6,18 : Apple Watch Ultra'; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php