Replace
Replaces a segment of text at a specific position within content with new text.
【string】is the content you input, which contains the text to be replaced. The content can be input text or referenced field data.
【start_character】is the position you specify to start replacing the text, using a number to indicate. For example, the number "3" means to start replacing from the 3rd character of the content.
【number_of_characters】is the number of characters you specify to replace, using a number to indicate. For example, the number "2" means to replace 2 characters from the specified position.
【replacement】is the new text to replace the original text.
(If you want to replace all occurrences of the original text within the content with new text, please refer to SUBSTITUTE.)