使用applescript替换applescript中的文本

set originalText to "Hello, World!"
set replacementText to "Hi, there!"

-- 使用字符串替换函数替换文本
set modifiedText to replaceText(originalText, "Hello", replacementText)

-- 输出替换后的文本
display dialog modifiedText

-- 字符串替换函数
on replaceText(originalText, searchString, replacementString)
    set AppleScript's text item delimiters to searchString
    set textItems to every text item of originalText
    set AppleScript's text item delimiters to replacementString
    set modifiedText to textItems as string
    set AppleScript's text item delimiters to ""
    return modifiedText
end replaceText