#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?mU)(<b md(?!<|>).+>|<b \S+ md>|<b md>|<b .+ md .+>)(.+)(<\/b>)"
Local $sString = "<b sdsd md sdsdds>a</b> " & @CRLF & _
"<b>adsa</b>" & @CRLF & _
"<b md>a</b>" & @CRLF & _
"<b md>sdasdas</b>" & @CRLF & _
"<b md class ="sd">aaa</b> <b md>aaa</b> <b md>a</b>" & @CRLF & _
"<b ac md>a</b>**DENEME** **DENEME**" & @CRLF & _
"" & @CRLF & _
"<b md>sd <b md>sd</b></b>" & @CRLF & _
"" & @CRLF & _
"<b md>(boş olmasın)</b>"
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