#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?ms)\*\*QUESTION:\*\*\s*((?:.|\n)*?)\s*\*\*ANSWER:\*\*\s*((?:.|\n)*?)(?=\s*\*\*QUESTION:\*\*|\Z)"
Local $sString = "**QUESTION:** " & @CRLF & _
"What are the key design considerations for fabricating glide slope antennas in composite or metal aircraft, and how do these differ from those for other aviation antennas like VOR/LOC or DME antennas? " & @CRLF & _
"" & @CRLF & _
"**ANSWER: Thought Process** " & @CRLF & _
"This question requires a detailed comparison between the design principles of glide slope antennas (used in composite/metal aircraft) and other aviation antennas like VOR/LOC or DME. I’ll structure the answer by first outlining the general design considerations for glide slope antennas, then contrasting them with the specific designs of VOR/LOC and DME antennas. " & @CRLF & _
"" & @CRLF & _
"--- " & @CRLF & _
"" & @CRLF & _
"**Glide Slope Antennas in Composite/Metal Aircraft:** " & @CRLF & _
"1. **Ground Plane Requirements:** " & @CRLF & _
" - These antennas are typically shorter (scaled down from VOR/LOC) and mounted atop the windshield or canard. " & @CRLF & _
" - The ground plane must be flat and conductive (e.g., aluminum or copper foil strips) to ensure resonance. " & @CRLF & _
" - The antenna element is often folded back to avoid structural interference. " & @CRLF & _
"" & @CRLF & _
"2. **Low-Noise Design:** " & @CRLF & _
" - Designed to avoid shadowing from the aircraft’s structure. " & @CRLF & _
" - The "gamma matching" network reduces coaxial feedline losses. " & @CRLF & _
"" & @CRLF & _
"--- " & @CRLF & _
"" & @CRLF & _
"**Contrast with VOR/LOC Antennas:** " & @CRLF & _
"VOR/LOC antennas are longer (quarter-wavelength) and often hung from the vertical fin. Their ground plane is a flat metal sheet, and they’re resilient to shadowing from the aircraft’s structure. Feedline losses are minimal, allowing signal splitting to multiple receivers (e.g., dual VORs + GS). " & @CRLF & _
"" & @CRLF & _
"--- " & @CRLF & _
"" & @CRLF & _
"**DME Antennas:** " & @CRLF & _
"- Quarter-wavelength vertical antennas with a flattened ground plane. " & @CRLF & _
"- Require heavy-duty mounting (e.g., brazed insulators, riveted flanges). " & @CRLF & _
"- Material choices differ: copper foil/Plexiglas for composite airplanes, aluminum for metal. " & @CRLF & _
"" & @CRLF & _
"--- " & @CRLF & _
"" & @CRLF & _
"**Key Differences:** " & @CRLF & _
"- Glide slope antennas prioritize compactness and avoidance of structural shadowing, while VOR/LOC focus on long-range performance and vertical-fin mounting. " & @CRLF & _
"- DME antennas emphasize durability and material rigidity, especially in composite aircraft. " & @CRLF & _
"" & @CRLF & _
"--- " & @CRLF & _
"" & @CRLF & _
"**Final Answer:** " & @CRLF & _
"Glide slope antennas for composite/metal aircraft demand flat ground planes, short lengths, and avoidance of structural interference. In contrast, VOR/LOC antennas prioritize quarter-wavelength design and vertical-fin mounting, while DME antennas require thick, rigid mounts (e.g., copper foil, Plexiglas) to handle composite aircraft stresses. The feedline characteristics also vary: glide slope antennas use a gamma match for low losses, while VOR/LOC and DME rely on tight, low-impedance coaxial runs."
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