description:
| This function returns the second argument if the condition is met, otherwise it returns the third argument. |
syntax:
| =REPLACE( old_text, start_num, num_chars, new_text ) |
required arguments:
| old_text | The text string to replace. |
| start_num | Starting position. |
| num_chars | The number of characters to replace. |
| new_text | The text used to replace the specified portion of the old text. |
