CODEWITHSUNDEEP
c#asp.netstring
Mihai Labo
Mihai Labo

Reputation: 1082

Remove elements from string after list of characters- without using a foreach loop

I have a string that may contain some forbidden characters like let's say :

char[] BAD_CHARS = new char[] { '-', '.' };

I want strings like "Foo 106.4" to be represented like "Foo 106"

fooString= fooString.Substring(0, fooString.LastIndexOf('-'));

This would be the solution ... but im looking for something more dynamic .

How can I apply this logic above to the BAD_CHARS without doing foreach loops ?

Upvotes: 0

Views: 325

Answers (2)

Rawling
Rawling

Reputation: 50114

You're pretty close. Assuming you want to stop at the first (not last) bad character,

fooString = fooString.Substring(0, fooString.IndexOfAny(BAD_CHARS));

This has the advantage of not having to process (and split into substrings) the entire input.

Upvotes: 3

DatRid
DatRid

Reputation: 1169

You could do it that way with string.Split();

string foostring = "foo 204.5-4";
string[] splitted = foostring.Split(BAD_CHARS);
string result = splitted[0];

Or

string foostring = "foo 204.5-4";
string result = foostring.Split(BAD_CHARS)[0];

You can try it out here

Upvotes: 3

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