Mid Extracts the middle part of a string (like the Basic MID$ function). Left Extracts the left part of a string (like the Basic LEFT$ function). Right Extracts the right part of a string (like the Basic RIGHT$ function). Find Finds a character or substring inside a larger string. 函数
Left Extracts the left part of a string (like the Basic LEFT$ function).
Right Extracts the right part of a string (like the Basic RIGHT$ function).
Find Finds a character or substring inside a larger string.
函数