#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)facilityAlias\":\"(?<facility>[^\"]*)"
Local $sString = "sample log: 2023-01-02 23:36:58,521 [[MuleRuntime].uber.3869: [abcd-message-kdhskhdsk-api].Delete_msg_from_queue.BLOCKING @27fe0275] INFO com.skdhksh.jsdhjshd.hsd.logging.internal.CustomLoggerOperations - {"environment":"stag36rcf_eu-env","applicationName":"abcd-message-kdhskhdsk-api","correlationId":"kshddhks-3o4u-jshd8-aksdbkadkahd","apiProcessingTime":347,"totalProcessingTime":740,"tracePoint":"END","logMessage":"{\n \"url\": \"abcd\",\n \"bucketName\": \"dipeus-data-store\",\n \"s3versionID\": \"shdkshdkshdkshdkshdkshdkjshd\",\n \"s3key\": \"ljdljdlajldj]dsdsd\ksdjksjdksjdksjdksjksjd\ksdjksjd\"\n}","txnMetadata":{"bundleId":"ahsdkhsdh-skjdhshdkshd-skdhshdks-skdhkshd","messageType":"abcd","messageSubType":"kdshdkshdks","facilityAlias":"Parc de Salut Mar Barcelona","systemName":"CMPSB","transactionStartTime":1672702617781,"relatesToPatientMerge":false,"inputPayload":"adhkjshdkshdkshdkshd"},"apiStartTime":"1672702618174"}"
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