Excel Formula: extract all capital letters only

In Excel, as we know, the Text to Columns can split sentence into cells based on the delimiter. But in some times, you want to use a formula to solve the job. Here this tutorial, it provides an array formula can handle it.

Generic formula:

=SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(SUBSTITUTE(txt,"a",""),"b",""),"c",""),"d",""),"e",""), "f",""),"g",""),"h",""),"i",""),"j",""),"k",""),"l",""),"m",""),"n",""),"o",""), "p",""),"q",""),"r",""),"s",""),"t",""),"u",""),"v",""),"w",""),"x",""),"y",""), "z","")," ","")

Arguments

Txt: the text string you want to extract uppercase letter only.

How this formula work

To extract capital letter from cell B3, please use below formula:

=SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(SUBSTITUTE(B3,"a",""),"b",""),"c",""),"d",""),"e",""),"f",""), "g",""),"h",""),"i",""),"j",""),"k",""),"l",""),"m",""),"n",""),"o",""),"p",""),"q",""),"r",""), "s",""),"t",""),"u",""),"v",""),"w",""),"x",""),"y",""),"z","")," ","")

Press Enter key.

Explanation

SUBSTITUTE function replaces text or characters within a text string with another text or characters. Here the formula uses groups of SUBSTITUTE functions to replace all lowercase letter and spaces with nothing.

Sample File

Click to download sample file

---

Relative Formulas

• Extract from right until character
  Here introduces the formula to extract text from right side of a given text until a specified character.
• Trim Text To N Words
  Here introduces the formula to extract n words from left side of a text string.
• Split sentence into words
  This tutorial provides formulas to separate words of sentence into separated columns.
• Split dollars and cents
  To split dollars and cents into two columns with formulas in Excel.

---

Relative Functions

• SUBSTITUTE function
  Replace text based on given text.
• COLUMN function
  Returns the number of column which formula appears or returns the column number.
• ROW function
  Get the number of row.
• SEARCH function
  Find the position of a specific character or substring from the given text string.
• IF function
  Test for a specific condition.