If you need to extract the first word from some text you can use a formula that uses the FIND and LEFT functions. From the example, the formula looks like this:
=LEFT(B4,FIND(" ",B4)-1)
How this formula...

To extract a word that contains specific text,you can use a formula based on several functions, including TRIM, LEFT, SUBSTITUTE, MID, MAX, and REPT. You can use this formula to extract things like email addresses, or...

To count cells that contain either one value or another, you an either use a helper column then tally up the count, or a more complex single cell formula.
Background
When you count cells with "OR" criteria, you need...

To find the nth occurence of a character in a text string, you can use a formula based on the FIND and SUBSTITUTE functions.
In the example shown, the formula in D5 is:
=FIND(CHAR(160),SUBSTITUTE(B5,"@",...

If you want to get the current workbook's full name and path without a sheet name, you can use a formula that employs several text functions to strip off the sheet name. The final result will be a text string that looks...

To separate text and numbers, you can use a formula based on the FIND function, the MIN function, and the LEN function with the LEFT or RIGHT function, depending on whether you want to extract the text or the number. In...

If you want to get the sheet name only (i.e. the sheet name without the file name or path) you can do so with rather long formula that uses the MID function along with the FIND function. The final result will look...

If you want to get the workbook path (directory) only, you can do so with a formula that uses the LEFT and the FIND function. The result will look something like this:
Drive:\path\to\file\ //Windows
Drive:path:to:...

To extract the top level domain (called "TLD") from a list of domain names or email addresses, you can use a rather complex formula that uses several functions. In the generic form of the formula (above), domain...

If want to extract the domain from an email address, you can do so with a formula that uses the RIGHT, LEN, and FIND functions. In the generic form above, email represents the email address you are working with.
In the...

To check if a cell contains specific text, you can use the SEARCH function together with the ISNUMBER function. In the generic version, substring is the specific text you are looking for, and text represents text in the...

To extract words that begin with a specific character, you can use a formula based on six functions: TRIM, LEFT, SUBSTITUTE, MID, LEN, and REPT. This approach is useful if you need to extract things like a Twitter user...

To extract the last two words from a cell or text string, you can use a formula built with several Excel functions, including MID, FIND, SUBSTITUTE, and LEN. In the example shown, the formula in C5 is:
=MID(B5,FIND(...

To test if a cell (or any text string) contains a number, you can use the FIND function together with the COUNT function. In the generic form of the formula (above), A1 represents the cell you are testing. The numbers...

To sum if cells contain either one text string or another (i.e. contain "cat" or "rat") you can use the SUMPRODUCT function.
Background
When you sum cells with "OR" criteria, you need to be careful not to double count...