cSearchCharacterRequired
Parameter used by the function. Check the Portuguese source page for the detailed original wording while this entry remains under review.
FUNCTIONPublished
At
At( <cSearch>, <cString> ) --> nPositionReturns the first position of one text inside another string.
Overview
Returns the first position of one text inside another string. This page was created from the historical training material and structured for quick reference, with practical notes and cautious use in current Protheus environments.
Syntax
At( <cSearch>, <cString> ) --> nPositionParameters
cStringCharacterRequired
Parameter used by the function. Check the Portuguese source page for the detailed original wording while this entry remains under review.
Finding an e-mail separator
User Function ExAtEmail()
Local cEmail := "user@company.com"
Local nPosition := At("@", cEmail)
If nPosition > 0
MsgInfo("User: " + SubStr(cEmail, 1, nPosition - 1))
Else
MsgStop("E-mail without @ separator.")
EndIf
ReturnExpected result
The @ position allows extracting the user part before the domain.
- Use At() quando precisar da primeira ocorrência de um separador ou marcador.
- Combine com SubStr() para extrair a parte anterior ou posterior ao texto encontrado.
- Para localizar a última ocorrência, use Rat().
- Teste o retorno maior que zero antes de usar a posição em cálculos de SubStr().
- This entry is under review because it was structured from historical training material.
- Confirm behavior in the Protheus/AppServer release used in your environment.
Comments
There are no approved comments yet.
Sign in with Google or Microsoft to comment.