function readOnly(count){ }
Starting November 20, the site will be set to read-only. On December 4, 2023,
forum discussions will move to the Trailblazer Community.
+ Start a Discussion
HARISH S 11HARISH S 11 

Simple question with Formulas

Hi All,

Am new to salesforce and while going through the trailhead excercises I came across the below formula, am confused with the logic, could somebody please help me?
OR(
LEN(BillingCountry) = 1,
NOT(
CONTAINS(
"AF:AX:AL:DZ:AS:AD:AO:AI:AQ:AG:AR:AM:" &
"AW:AU:AZ:BS:BH:BD:BB:BY:BE:BZ:BJ:BM:BT:BO:" &
"BA:BW:BV:BR:IO:BN:BG:BF:BI:KH:CM:CA:CV:KY:" &
"CF:TD:CL:CN:CX:CC:CO:KM:CG:CD:CK:CR:CI:HR:" &
"CU:CY:CZ:DK:DJ:DM:DO:EC:EG:SV:GQ:ER:EE:ET:FK:" &
"FO:FJ:FI:FR:GF:PF:TF:GA:GM:GE:DE:GH:GI:GR:GL:" &
"GD:GP:GU:GT:GG:GN:GW:GY:HT:HM:VA:HN:HK:HU:" &
"IS:IN:ID:IR:IQ:IE:IM:IL:IT:JM:JP:JE:JO:KZ:KE:KI:" &
"KP:KR:KW:KG:LA:LV:LB:LS:LR:LY:LI:LT:LU:MO:MK:" &
"MG:MW:MY:MV:ML:MT:MH:MQ:MR:MU:YT:MX:FM:MD:MC:" &
"MC:MN:ME:MS:MA:MZ:MM:MA:NR:NP:NL:AN:NC:NZ:NI:" &
"NE:NG:NU:NF:MP:NO:OM:PK:PW:PS:PA:PG:PY:PE:PH:" &
"PN:PL:PT:PR:QA:RE:RO:RU:RW:SH:KN:LC:PM:VC:WS:" &
"SM:ST:SA:SN:RS:SC:SL:SG:SK:SI:SB:SO:ZA:GS:ES:" &
"LK:SD:SR:SJ:SZ:SE:CH:SY:TW:TJ:TZ:TH:TL:TG:TK:" &
"TO:TT:TN:TR:TM:TC:TV:UG:UA:AE:GB:US:UM:UY:UZ:" &
"VU:VE:VN:VG:VI:WF:EH:YE:ZM:ZW",
BillingCountry)))
Pruthvi KankunthalaPruthvi Kankunthala
@Harish : It validates that the account's Billing Country is a valid ISO 3166 two - letter code i.e., simply a valid two letter country code .

Source : http://resources.docs.salesforce.com/202/15/en-us/sfdc/pdf/salesforce_useful_validation_formulas.pdf (Valid Billing Country)
FearNoneFearNone
it means...
IF( (STRLEN(BillingCountry) == 1) ||
	!Contains("Find strings here AF:AX:AL:DZ:AS*...", "L"))