flashercs

@echo off
cd /d "%~dp0"
set file=a.txt
set newNumber=123456
powershell -c "[system.io.file]::WriteAllText('%file%',([system.io.file]::ReadAllText('%file%') -replace '(\"dataVersion\"\s*:\s*)([\d.eE+-]+)','${1}%newNumber%'))"
pause
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