10
In the registration, the user registers his phone and this field is masked (99)99999-9999 and this is saved in the BD. if I want to use only the DDD of this, and the separate numbers, how should I proceed? in case I wanted DDD 99 Number 999999. I’m using MVC, I needed this data so to use in Controller.
12
First replace the special characters and then take the first 2 characters.
// Remove qualquer caracter que não seja numérico
numero = Regex.Replace(numero, "[^0-9]+$", "");
// Pega os 2 primeiros caracteres
ddd = numero.Substring(0, 2);
Regex.Replace does the removal of the special character ?
Exactly! Actually for your case if the regex is only "[ 0-9]+$" solves the problem. I will change
ddd = number. Substring(0, 2)); Is closing 2 parentheses at the end, ta missing some, or has been added to more?
I was wrong anyway, I removed it now
I did it for your procedure and it worked! TKS
8
Using regular expressions, we can do so:
using System.Text.RegularExpressions;
var teste = Regex.Match("(12) 3456-7890", @"\((\d{2})\)\s?(\d{4,5}\-?\d{4})");
// teste.Groups[0] imprime o número.
// teste.Groups[1] imprime apenas o DDD.
// teste.Groups[2] imprime apenas o número.
if I want to leave only the number without the dash I do it? 'var test = Regex.Match("(12) 3456-7890", @"(( d{2})) s? ( d{8,9})")'
Okay, but in this case it only works if there’s never a trace on the mask.
and how this is ignored - ?
You can make an if with regex test and apply to whatever is convenient to the case.
?, in regular expression, that is to say: "zero or one occurrences". This regular expression I made therefore makes the use of the stroke optional.
@Sorack The advantage of this case is that you don’t exactly need an if. Each group represents specific information.
So, but precisely, the if would be to separate the version that could come without the trace in the mask and the with the dash
@Sorack what would be the Logic of comparison in If?
I’d have to take a regex test...
But for what the Gypsy doesn’t need
@Gypomorrisonmendez Thanks for the tips it always gives, but the Sorack procedure worked better for my problem by removing the dash. Thanks
6
The easiest thing for me is to make one simple SubString():
using static System.Console;
public class Program {
public static void Main() {
var fone = "(12)34567-8901";
WriteLine(fone.Substring(1, 2));
WriteLine(fone.Substring(4, 5) + fone.Substring(10, 4));
}
}
Behold working in the ideone. And in the .NET Fiddle. Also put on the Github for future reference.
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What is saved in the database is the phone with the mask? Then the field is
string?– Leonel Sanches da Silva
That’s right @Ciganomorrisonmendez
– Fabio Souza