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

/
/
g

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 = "<RawData>55014B467FFF0C10BEFF00+<\/RawData>\n\n<PrimaryValue>(\d+.\d+)" Local $sString = "<?xml version="1.0" encoding="UTF-8"?>" & @CRLF & _ "" & @CRLF & _ "-<Devices-Detail-Response xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.embeddeddatasystems.com/schema/owserver">" & @CRLF & _ "" & @CRLF & _ "<PollCount>71</PollCount>" & @CRLF & _ "" & @CRLF & _ "<DevicesConnected>2</DevicesConnected>" & @CRLF & _ "" & @CRLF & _ "<LoopTime>2.048</LoopTime>" & @CRLF & _ "" & @CRLF & _ "<DevicesConnectedChannel1>2</DevicesConnectedChannel1>" & @CRLF & _ "" & @CRLF & _ "<DevicesConnectedChannel2>0</DevicesConnectedChannel2>" & @CRLF & _ "" & @CRLF & _ "<DevicesConnectedChannel3>0</DevicesConnectedChannel3>" & @CRLF & _ "" & @CRLF & _ "<DataErrorsChannel1>0</DataErrorsChannel1>" & @CRLF & _ "" & @CRLF & _ "<DataErrorsChannel2>0</DataErrorsChannel2>" & @CRLF & _ "" & @CRLF & _ "<DataErrorsChannel3>0</DataErrorsChannel3>" & @CRLF & _ "" & @CRLF & _ "<VoltageChannel1>4.81</VoltageChannel1>" & @CRLF & _ "" & @CRLF & _ "<VoltageChannel2>4.81</VoltageChannel2>" & @CRLF & _ "" & @CRLF & _ "<VoltageChannel3>4.80</VoltageChannel3>" & @CRLF & _ "" & @CRLF & _ "<VoltagePower>5.05</VoltagePower>" & @CRLF & _ "" & @CRLF & _ "<DeviceName>OWServer_v2-Enet</DeviceName>" & @CRLF & _ "" & @CRLF & _ "<HostName>EDSOWSERVER2</HostName>" & @CRLF & _ "" & @CRLF & _ "<MACAddress>00:04:A3:BE:A9:F2</MACAddress>" & @CRLF & _ "" & @CRLF & _ "<DateTime>2017-03-10 23:18:40</DateTime>" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "-<owd_DS18B20 Description="Programmable resolution thermometer">" & @CRLF & _ "" & @CRLF & _ "<Name>DS18B20</Name>" & @CRLF & _ "" & @CRLF & _ "<Family>28</Family>" & @CRLF & _ "" & @CRLF & _ "<ROMId>690516B3FC14FF28</ROMId>" & @CRLF & _ "" & @CRLF & _ "<Health>7</Health>" & @CRLF & _ "" & @CRLF & _ "<Channel>1</Channel>" & @CRLF & _ "" & @CRLF & _ "<RawData>54014B467FFF0C10FDFF0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000</RawData>" & @CRLF & _ "" & @CRLF & _ "<PrimaryValue>21.2500 Deg C</PrimaryValue>" & @CRLF & _ "" & @CRLF & _ "<Temperature Units="Centigrade">21.2500</Temperature>" & @CRLF & _ "" & @CRLF & _ "<UserByte1 Writable="True">75</UserByte1>" & @CRLF & _ "" & @CRLF & _ "<UserByte2 Writable="True">70</UserByte2>" & @CRLF & _ "" & @CRLF & _ "<Resolution>12</Resolution>" & @CRLF & _ "" & @CRLF & _ "<PowerSource>255</PowerSource>" & @CRLF & _ "" & @CRLF & _ "</owd_DS18B20>" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "-<owd_DS18B20 Description="Programmable resolution thermometer">" & @CRLF & _ "" & @CRLF & _ "<Name>DS18B20</Name>" & @CRLF & _ "" & @CRLF & _ "<Family>28</Family>" & @CRLF & _ "" & @CRLF & _ "<ROMId>020316B4A6C3FF28</ROMId>" & @CRLF & _ "" & @CRLF & _ "<Health>7</Health>" & @CRLF & _ "" & @CRLF & _ "<Channel>1</Channel>" & @CRLF & _ "" & @CRLF & _ "<RawData>55014B467FFF0C10BEFF0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000</RawData>" & @CRLF & _ "" & @CRLF & _ "<PrimaryValue>21.3125 Deg C</PrimaryValue>" & @CRLF & _ "" & @CRLF & _ "<Temperature Units="Centigrade">21.3125</Temperature>" & @CRLF & _ "" & @CRLF & _ "<UserByte1 Writable="True">75</UserByte1>" & @CRLF & _ "" & @CRLF & _ "<UserByte2 Writable="True">70</UserByte2>" & @CRLF & _ "" & @CRLF & _ "<Resolution>12</Resolution>" & @CRLF & _ "" & @CRLF & _ "<PowerSource>255</PowerSource>" & @CRLF & _ "" & @CRLF & _ "</owd_DS18B20>" & @CRLF & _ "" & @CRLF & _ "</Devices-Detail-Response>" 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