VBScript の関数、Replace
MsgBox Replace("abc", "a", "A") ' Abc MsgBox Replace("abc", "ab", "AB") ' ABc MsgBox Replace("abcabc", "ab", "AB", 2) ' bcABc MsgBox Replace("abcabc", "ab", "AB") ' ABcABc MsgBox Replace("abcabc", "ab", "AB", 1, 1) ' ABcabc MsgBox Replace("abc", "d", "D") ' abc
start (第4引数)の仕様が自分のイメージと違うなあ〜