noun
intercalator
Computing term for a symbol or character inserted into a data stream or string, often used in programming or data processing contexts.
このプログラムでは、割込み記号を使ってデータの区切りを示します。
In this program, an intercalator is used to indicate data delimiters.
Compound of 割込み (わりこみ, 'interruption, insertion') + 記号 (きごう, 'symbol, mark').