Substitutes new_text for old_text in a text string. Use SUBSTITUTE when you want to replace specific text in a text string; use REPLACE when you want to replace any text that occurs in a specific location in a text string.
|Text||is the text or the reference to a cell containing text for which you want to substitute characters.|
|Old_text||is the text you want to replace.|
|New_text||is the text you want to replace old_text with.|
|Instance_num||specifies which occurrence of old_text you want to replace with new_text. If you specify instance_num, only that instance of old_text is replaced. Otherwise, every occurrence of old_text in text is changed to new_text.|