Food chemicals and additives. Many of these such as MSG, aspartame, food colors, preservatives and others are quite irritating. The nightshade family of vegetables. These include tomatoes, red and white, and other potatoes, but not sweet potatoes, all peppers (both sweet and hot peppers) and eggplant.
Enter a formula to return the character associated with the value in cell A1: B1: =CHAR(A1). Now enter a formula to clean the text in cell B1 and to return the length of the cleaned text. That is, if CLEAN removes the character, the value in column C will be zero; otherwise it will be 1.C1: =LEN(CLEAN(B1)). Now copy the range B1:C1 down the column to row 255.ow enter a formula to clean the text in cell B1 and to return the length of the cleaned text. That is, if CLEAN removes the character, the value in column C will be zero; otherwise it will be 1. C1: =LEN(CLEAN(B1)). Now copy the range B1:C1 down the column to row 255.
LEFT() returns the first X characters in a string, based on the amount of characters you specify. Like: LEFT(text,num_chars). Sometimes you want to remove some number of last letters from a string in your spreadsheet. For this you can use a very handy function: LEFT().ay for example that in cell A1 you have a string âIncomeMAXâ and you want to remove the last three characters (âMAXâ): 1  First, LEN(A1) returns how long the string in cell A1 is: 8 characters.