Regular Expressions 101

Save & Share

Flavor

  • PCRE2 (PHP >=7.3)
  • PCRE (PHP <7.3)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java 8
  • .NET 7.0 (C#)
  • Rust
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests

Tools

Sponsors
There are currently no sponsors. Become a sponsor today!
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

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "(?m)^(iPhone|iPad|iPod|Watch)(\d{1,2}),(\d{1}).*$" Local $sString = "iPhone1,1 : iPhone" & @CRLF & _ "iPhone1,2 : iPhone 3G" & @CRLF & _ "iPhone2,1 : iPhone 3GS" & @CRLF & _ "iPhone3,1 : iPhone 4" & @CRLF & _ "iPhone3,2 : iPhone 4 GSM Rev A" & @CRLF & _ "iPhone3,3 : iPhone 4 CDMA" & @CRLF & _ "iPhone4,1 : iPhone 4S" & @CRLF & _ "iPhone5,1 : iPhone 5 (GSM)" & @CRLF & _ "iPhone5,2 : iPhone 5 (GSM+CDMA)" & @CRLF & _ "iPhone5,3 : iPhone 5C (GSM)" & @CRLF & _ "iPhone5,4 : iPhone 5C (Global)" & @CRLF & _ "iPhone6,1 : iPhone 5S (GSM)" & @CRLF & _ "iPhone6,2 : iPhone 5S (Global)" & @CRLF & _ "iPhone7,1 : iPhone 6 Plus" & @CRLF & _ "iPhone7,2 : iPhone 6" & @CRLF & _ "iPhone8,1 : iPhone 6s" & @CRLF & _ "iPhone8,2 : iPhone 6s Plus" & @CRLF & _ "iPhone8,4 : iPhone SE (GSM)" & @CRLF & _ "iPhone9,1 : iPhone 7" & @CRLF & _ "iPhone9,2 : iPhone 7 Plus" & @CRLF & _ "iPhone9,3 : iPhone 7" & @CRLF & _ "iPhone9,4 : iPhone 7 Plus" & @CRLF & _ "iPhone10,1 : iPhone 8" & @CRLF & _ "iPhone10,2 : iPhone 8 Plus" & @CRLF & _ "iPhone10,3 : iPhone X Global" & @CRLF & _ "iPhone10,4 : iPhone 8" & @CRLF & _ "iPhone10,5 : iPhone 8 Plus" & @CRLF & _ "iPhone10,6 : iPhone X GSM" & @CRLF & _ "iPhone11,2 : iPhone XS" & @CRLF & _ "iPhone11,4 : iPhone XS Max" & @CRLF & _ "iPhone11,6 : iPhone XS Max Global" & @CRLF & _ "iPhone11,8 : iPhone XR" & @CRLF & _ "iPhone12,1 : iPhone 11" & @CRLF & _ "iPhone12,3 : iPhone 11 Pro" & @CRLF & _ "iPhone12,5 : iPhone 11 Pro Max" & @CRLF & _ "iPhone12,8 : iPhone SE 2nd Gen" & @CRLF & _ "iPhone13,1 : iPhone 12 Mini" & @CRLF & _ "iPhone13,2 : iPhone 12" & @CRLF & _ "iPhone13,3 : iPhone 12 Pro" & @CRLF & _ "iPhone13,4 : iPhone 12 Pro Max" & @CRLF & _ "iPhone14,2 : iPhone 13 Pro" & @CRLF & _ "iPhone14,3 : iPhone 13 Pro Max" & @CRLF & _ "iPhone14,4 : iPhone 13 Mini" & @CRLF & _ "iPhone14,5 : iPhone 13" & @CRLF & _ "iPhone14,6 : iPhone SE 3rd Gen" & @CRLF & _ "iPhone14,7 : iPhone 14" & @CRLF & _ "iPhone14,8 : iPhone 14 Plus" & @CRLF & _ "iPhone15,2 : iPhone 14 Pro" & @CRLF & _ "iPhone15,3 : iPhone 14 Pro Max" & @CRLF & _ "" & @CRLF & _ "iPod1,1 : 1st Gen iPod" & @CRLF & _ "iPod2,1 : 2nd Gen iPod" & @CRLF & _ "iPod3,1 : 3rd Gen iPod" & @CRLF & _ "iPod4,1 : 4th Gen iPod" & @CRLF & _ "iPod5,1 : 5th Gen iPod" & @CRLF & _ "iPod7,1 : 6th Gen iPod" & @CRLF & _ "iPod9,1 : 7th Gen iPod" & @CRLF & _ "" & @CRLF & _ "iPad1,1 : iPad" & @CRLF & _ "iPad1,2 : iPad 3G" & @CRLF & _ "iPad2,1 : 2nd Gen iPad" & @CRLF & _ "iPad2,2 : 2nd Gen iPad GSM" & @CRLF & _ "iPad2,3 : 2nd Gen iPad CDMA" & @CRLF & _ "iPad2,4 : 2nd Gen iPad New Revision" & @CRLF & _ "iPad3,1 : 3rd Gen iPad" & @CRLF & _ "iPad3,2 : 3rd Gen iPad CDMA" & @CRLF & _ "iPad3,3 : 3rd Gen iPad GSM" & @CRLF & _ "iPad2,5 : iPad mini" & @CRLF & _ "iPad2,6 : iPad mini GSM+LTE" & @CRLF & _ "iPad2,7 : iPad mini CDMA+LTE" & @CRLF & _ "iPad3,4 : 4th Gen iPad" & @CRLF & _ "iPad3,5 : 4th Gen iPad GSM+LTE" & @CRLF & _ "iPad3,6 : 4th Gen iPad CDMA+LTE" & @CRLF & _ "iPad4,1 : iPad Air (WiFi)" & @CRLF & _ "iPad4,2 : iPad Air (GSM+CDMA)" & @CRLF & _ "iPad4,3 : 1st Gen iPad Air (China)" & @CRLF & _ "iPad4,4 : iPad mini Retina (WiFi)" & @CRLF & _ "iPad4,5 : iPad mini Retina (GSM+CDMA)" & @CRLF & _ "iPad4,6 : iPad mini Retina (China)" & @CRLF & _ "iPad4,7 : iPad mini 3 (WiFi)" & @CRLF & _ "iPad4,8 : iPad mini 3 (GSM+CDMA)" & @CRLF & _ "iPad4,9 : iPad Mini 3 (China)" & @CRLF & _ "iPad5,1 : iPad mini 4 (WiFi)" & @CRLF & _ "iPad5,2 : 4th Gen iPad mini (WiFi+Cellular)" & @CRLF & _ "iPad5,3 : iPad Air 2 (WiFi)" & @CRLF & _ "iPad5,4 : iPad Air 2 (Cellular)" & @CRLF & _ "iPad6,3 : iPad Pro (9.7 inch, WiFi)" & @CRLF & _ "iPad6,4 : iPad Pro (9.7 inch, WiFi+LTE)" & @CRLF & _ "iPad6,7 : iPad Pro (12.9 inch, WiFi)" & @CRLF & _ "iPad6,8 : iPad Pro (12.9 inch, WiFi+LTE)" & @CRLF & _ "iPad6,11 : iPad (2017)" & @CRLF & _ "iPad6,12 : iPad (2017)" & @CRLF & _ "iPad7,1 : iPad Pro 2nd Gen (WiFi)" & @CRLF & _ "iPad7,2 : iPad Pro 2nd Gen (WiFi+Cellular)" & @CRLF & _ "iPad7,3 : iPad Pro 10.5-inch 2nd Gen" & @CRLF & _ "iPad7,4 : iPad Pro 10.5-inch 2nd Gen" & @CRLF & _ "iPad7,5 : iPad 6th Gen (WiFi)" & @CRLF & _ "iPad7,6 : iPad 6th Gen (WiFi+Cellular)" & @CRLF & _ "iPad7,11 : iPad 7th Gen 10.2-inch (WiFi)" & @CRLF & _ "iPad7,12 : iPad 7th Gen 10.2-inch (WiFi+Cellular)" & @CRLF & _ "iPad8,1 : iPad Pro 11 inch 3rd Gen (WiFi)" & @CRLF & _ "iPad8,2 : iPad Pro 11 inch 3rd Gen (1TB, WiFi)" & @CRLF & _ "iPad8,3 : iPad Pro 11 inch 3rd Gen (WiFi+Cellular)" & @CRLF & _ "iPad8,4 : iPad Pro 11 inch 3rd Gen (1TB, WiFi+Cellular)" & @CRLF & _ "iPad8,5 : iPad Pro 12.9 inch 3rd Gen (WiFi)" & @CRLF & _ "iPad8,6 : iPad Pro 12.9 inch 3rd Gen (1TB, WiFi)" & @CRLF & _ "iPad8,7 : iPad Pro 12.9 inch 3rd Gen (WiFi+Cellular)" & @CRLF & _ "iPad8,8 : iPad Pro 12.9 inch 3rd Gen (1TB, WiFi+Cellular)" & @CRLF & _ "iPad8,9 : iPad Pro 11 inch 4th Gen (WiFi)" & @CRLF & _ "iPad8,10 : iPad Pro 11 inch 4th Gen (WiFi+Cellular)" & @CRLF & _ "iPad8,11 : iPad Pro 12.9 inch 4th Gen (WiFi)" & @CRLF & _ "iPad8,12 : iPad Pro 12.9 inch 4th Gen (WiFi+Cellular)" & @CRLF & _ "iPad11,1 : iPad mini 5th Gen (WiFi)" & @CRLF & _ "iPad11,2 : iPad mini 5th Gen" & @CRLF & _ "iPad11,3 : iPad Air 3rd Gen (WiFi)" & @CRLF & _ "iPad11,4 : iPad Air 3rd Gen" & @CRLF & _ "iPad11,6 : iPad 8th Gen (WiFi)" & @CRLF & _ "iPad11,7 : iPad 8th Gen (WiFi+Cellular)" & @CRLF & _ "iPad12,1 : iPad 9th Gen (WiFi)" & @CRLF & _ "iPad12,2 : iPad 9th Gen (WiFi+Cellular)" & @CRLF & _ "iPad14,1 : iPad mini 6th Gen (WiFi)" & @CRLF & _ "iPad14,2 : iPad mini 6th Gen (WiFi+Cellular)" & @CRLF & _ "iPad13,1 : iPad Air 4th Gen (WiFi)" & @CRLF & _ "iPad13,2 : iPad Air 4th Gen (WiFi+Cellular)" & @CRLF & _ "iPad13,4 : iPad Pro 11 inch 5th Gen" & @CRLF & _ "iPad13,5 : iPad Pro 11 inch 5th Gen" & @CRLF & _ "iPad13,6 : iPad Pro 11 inch 5th Gen" & @CRLF & _ "iPad13,7 : iPad Pro 11 inch 5th Gen" & @CRLF & _ "iPad13,8 : iPad Pro 12.9 inch 5th Gen" & @CRLF & _ "iPad13,9 : iPad Pro 12.9 inch 5th Gen" & @CRLF & _ "iPad13,10 : iPad Pro 12.9 inch 5th Gen" & @CRLF & _ "iPad13,11 : iPad Pro 12.9 inch 5th Gen" & @CRLF & _ "iPad13,16 : iPad Air 5th Gen (WiFi)" & @CRLF & _ "iPad13,17 : iPad Air 5th Gen (WiFi+Cellular)" & @CRLF & _ "iPad13,18: iPad 10th Gen" & @CRLF & _ "iPad13,19: iPad 10th Gen" & @CRLF & _ "iPad14,3-A: iPad Pro 11 inch 4th Gen" & @CRLF & _ "iPad14,3-B: iPad Pro 11 inch 4th Gen" & @CRLF & _ "iPad14,4-A: iPad Pro 11 inch 4th Gen" & @CRLF & _ "iPad14,4-B: iPad Pro 11 inch 4th Gen" & @CRLF & _ "iPad14,5-A: iPad Pro 12.9 inch 6th Gen" & @CRLF & _ "iPad14,5-B: iPad Pro 12.9 inch 6th Gen" & @CRLF & _ "iPad14,6-A: iPad Pro 12.9 inch 6th Gen" & @CRLF & _ "iPad14,6-B: iPad Pro 12.9 inch 6th Gen" & @CRLF & _ "" & @CRLF & _ "Watch1,1 : Apple Watch 38mm case" & @CRLF & _ "Watch1,2 : Apple Watch 42mm case" & @CRLF & _ "Watch2,6 : Apple Watch Series 1 38mm case" & @CRLF & _ "Watch2,7 : Apple Watch Series 1 42mm case" & @CRLF & _ "Watch2,3 : Apple Watch Series 2 38mm case" & @CRLF & _ "Watch2,4 : Apple Watch Series 2 42mm case" & @CRLF & _ "Watch3,1 : Apple Watch Series 3 38mm case (GPS+Cellular)" & @CRLF & _ "Watch3,2 : Apple Watch Series 3 42mm case (GPS+Cellular)" & @CRLF & _ "Watch3,3 : Apple Watch Series 3 38mm case (GPS)" & @CRLF & _ "Watch3,4 : Apple Watch Series 3 42mm case (GPS)" & @CRLF & _ "Watch4,1 : Apple Watch Series 4 40mm case (GPS)" & @CRLF & _ "Watch4,2 : Apple Watch Series 4 44mm case (GPS)" & @CRLF & _ "Watch4,3 : Apple Watch Series 4 40mm case (GPS+Cellular)" & @CRLF & _ "Watch4,4 : Apple Watch Series 4 44mm case (GPS+Cellular)" & @CRLF & _ "Watch5,1 : Apple Watch Series 5 40mm case (GPS)" & @CRLF & _ "Watch5,2 : Apple Watch Series 5 44mm case (GPS)" & @CRLF & _ "Watch5,3 : Apple Watch Series 5 40mm case (GPS+Cellular)" & @CRLF & _ "Watch5,4 : Apple Watch Series 5 44mm case (GPS+Cellular)" & @CRLF & _ "Watch5,9 : Apple Watch SE 40mm case (GPS)" & @CRLF & _ "Watch5,10 : Apple Watch SE 44mm case (GPS)" & @CRLF & _ "Watch5,11 : Apple Watch SE 40mm case (GPS+Cellular)" & @CRLF & _ "Watch5,12 : Apple Watch SE 44mm case (GPS+Cellular)" & @CRLF & _ "Watch6,1 : Apple Watch Series 6 40mm case (GPS)" & @CRLF & _ "Watch6,2 : Apple Watch Series 6 44mm case (GPS)" & @CRLF & _ "Watch6,3 : Apple Watch Series 6 40mm case (GPS+Cellular)" & @CRLF & _ "Watch6,4 : Apple Watch Series 6 44mm case (GPS+Cellular)" & @CRLF & _ "Watch6,6 : Apple Watch Series 7 41mm case (GPS)" & @CRLF & _ "Watch6,7 : Apple Watch Series 7 45mm case (GPS)" & @CRLF & _ "Watch6,8 : Apple Watch Series 7 41mm case (GPS+Cellular)" & @CRLF & _ "Watch6,9 : Apple Watch Series 7 45mm case (GPS+Cellular)" & @CRLF & _ "Watch6,10 : Apple Watch SE 40mm case (GPS)" & @CRLF & _ "Watch6,11 : Apple Watch SE 44mm case (GPS)" & @CRLF & _ "Watch6,12 : Apple Watch SE 40mm case (GPS+Cellular)" & @CRLF & _ "Watch6,13 : Apple Watch SE 44mm case (GPS+Cellular)" & @CRLF & _ "Watch6,14 : Apple Watch Series 8 41mm case (GPS)" & @CRLF & _ "Watch6,15 : Apple Watch Series 8 45mm case (GPS)" & @CRLF & _ "Watch6,16 : Apple Watch Series 8 41mm case (GPS+Cellular)" & @CRLF & _ "Watch6,17 : Apple Watch Series 8 45mm case (GPS+Cellular)" & @CRLF & _ "Watch6,18 : Apple Watch Ultra" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH) Local $aFullArray[0] For $i = 0 To UBound($aArray) -1 _ArrayConcatenate($aFullArray, $aArray[$i]) Next $aArray = $aFullArray ; Present the entire match result _ArrayDisplay($aArray, "Result")

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 AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm