How do i add column validation to a list in sharepoint 2010, to accept only alphabets.

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SharePoint2010

I need to apply validation to a single column which should accept only alphabets and the length should not exceed 20.

What I have tried:

=(CODE(MID(A1,1,1))>64)+(CODE(MID(A1,1,1))<91)=2

L1 is the column name

Posted 18-Feb-16 15:15pm

Member 12253249

Updated 19-Feb-16 14:21pm

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Beginner Luck · Answer 1 · 2016-02-19T14:21:00

Solution 1

try this

ISERROR(FIND((LEN(ISNUMBER([My Column]))=20))

LEN is length of string
ISNUMBER is check for number

if cannot work
try this

Walkthrough: Creating a Custom Field Type[^]

Posted 19-Feb-16 14:21pm

Beginner Luck

Updated 19-Feb-16 19:00pm

v3

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Member 12253249 19-Feb-16 23:38pm

The length field, I have set while creating the column by giving max length = 20.
what i want to do next is apply a validation that will allow only alphabets to that column.