To filter and extract data based on multiple complex criteria, you can use the FILTER function with a chain of expressions that use boolean logic. In the example shown, the formula in G5 is:
=FILTER(B5:E16,(LEFT(B5:...

To build an email address from a first and last name, you can use a formula based on simple concatenation with help from the LEFT and LOWER functions.
In the example shown, the formula in D5 is:
=LOWER(LEFT(B5)&...

To convert dates in text format dd/mm/yy to a true date in mm/dd/yy format, you can use uses a formula based on the DATE function. In the example shown, the formula in C5 is:
=DATE(RIGHT(B5,2)+2000,MID(B5,4,2),LEFT(B5...

If you need extract the first name from a full name, you can easily do so with the FIND and LEFT functions. In the generic form of the formula (above), name is a full name, with a space separating the first name from...

If you want to extract the domain name from a complete URL, you can do so with a formula that uses the the LEFT and FIND functions. In the generic form above, url is the the URL you are working with.
In the example, we...

To build email addresses using first and last names, you can use a formula that concatenates values, with help from the LOWER and LEFT functions as needed.
In the example shown, the formula in D5 is:
=LOWER(LEFT(C5)...

To remove a trailing slash from a URL or path, you can use a formula based on the LEFT and LEN functions. In the example shown, the formula in cell C6 is:
=LEFT(B5,LEN(B5)-(RIGHT(B5)="/"))
How this formula...

To parse a text string that represents a time into a proper Excel time, you can use a formula based on the RIGHT, LEFT, MID, and TIME functions. In the example shown, the formula in F5 is:
=TIME(LEFT(E5,2),MID(E5,3,2...

If you need extract the last name from a full name in LAST, FIRST format, you can do so with a formula that uses the LEFT and FIND functions. The formula works with names in this format, where a comma and space separate...

To trim text to a certain number of words, you can use a formula based on the SUBSTITUTE, FIND, and LEFT functions. In the example shown, the formula in xxx is:
=LEFT(B5,FIND("#",SUBSTITUTE(B5,"...

To normalize units to Gigabytes (or megabytes, kilobytes, etc.) you can use a clever formula based the MATCH, LEFT, and RIGHT functions. In the example shown, the formula in C5 is:
=LEFT(B5,LEN(B5)-2)/10^((MATCH(RIGHT...

To capitalize the first letter in a word or string, you can use a formula based on the LEFT, MID, and LEN functions. In the example shown, the formula in C5 is:
=UPPER(LEFT(B5))&MID(B5,2,LEN(B5))
How this formula...

To convert text in an unrecognized date format to a proper Excel date, you can parse the text and assemble a proper date with a formula based on several functions: DATE, LEFT, MID, and RIGHT. In the example shown, the...

To split a text string at a certain character, you can use a combination of the LEFT, RIGHT, LEN, and FIND functions.
In the example shown, the formula in C5 is:
=LEFT(B5,FIND("_",B5)-1)
And the formula in...

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...