Camel Case Converter in an Excel

I am trying to convert a field in an excel sheet (e.g. REC_LEN) to camel case. I am using this formula to do that

=LEFT(A1) & RIGHT(SUBSTITUTE(PROPER(A1),"_",""), LEN( SUBSTITUTE(A1,"_",""))-1) 

This is giving me results like RecLen. I want to convert my first letter to lowercase too (The expected output is recLen). Can somebody help me out with this? I am not too familiar with excel formulae. Not sure if this has been already asked before but any help is much appreciated.

6 Answers

Try this:

=LOWER(LEFT(A1)) & MID(SUBSTITUTE(PROPER(A1),"_",""),2,LEN(A1))

With Office 365 we can use:

=LET(
    rr,A1,
    x,TEXTSPLIT(rr,"_"),
    CONCAT(LOWER(TAKE(x,,1)),PROPER(DROP(x,,1))))
1

Just use =PROPER(A1) on the another cell and you have it done.

1

You were so close! Just wrap your left expression in a LOWER:

=LOWER(LEFT(A1)) & RIGHT(SUBSTITUTE(PROPER(A1),"_",""), LEN( SUBSTITUTE(A1,"_",""))-1) 
   =LOWER(LEFT(A1)) & MID(A1,2,LEN(A1))

This works perfectly for creating camel case when there is no space or underscore between words.

So HelloWorld will become helloWorld.

This converts to camel case:

=SUBSTITUTE(LOWER(LEFT(A5)) & MID(A5,2,LEN(A5)),"_","")
1

using replace,

=LOWER(LEFT(A1,FIND("_",A1)-1))&PROPER(REPLACE(A1,1,FIND("_",A1),""))

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Sophia Al-Mansoor

Sophia Al-Mansoor

Global Business & E-Commerce Reporter

Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.

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