Why do the same work about 'IndexOfAny' and 'indexOf' function?
FrankLike via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Wed Jan 7 07:57:17 PST 2015
On Wednesday, 7 January 2015 at 15:11:57 UTC, John Colvin wrote:
> On Wednesday, 7 January 2015 at 14:54:51 UTC, FrankLike wrote:
>> I want to know whether the string strs contains
>> 'exe','dll','a','lib',in c#,
>> I can do : int index =
>> indexofany(strs,["exe","dll","a","lib"]);
>> but in D: I must to do like this:
>>
>> findStr(strs,["exe","lib","dll","a"]))
>>
>> bool findStr(string strIn,string[] strFind)
>> {
>> bool bFind = false;
>> foreach(str;strFind)
>> {
>> if(strIn.indexOf(str) !=-1)
>> {
>> bFind = true;
>> break;
>> }
>> }
>> return bFind;
>> }
>>
>> phobos 's string.d can add this some function to let the
>> indexOfAny to better?
>>
>> Thank you.
>>
>> Frank
>
> std.algorithm.canFind will do what you want, including telling
> you which of ["exe","lib","dll","a"] was found.
>
> If you need to know where in strs it was found as well, you can
> use std.algorithm.find
Sorry, 'std.algorithm.find' do this work:Finds an individual
element in an input range,and it's Parameters: InputRange
haystack The range searched in.
Element needle The element searched for.
But now I want to know in a string (like "hello.exe" or
"hello.a",or "hello.dll" or "hello.lib" ) whether contains any of
them: ["exe","dll","a","lib"].
My function 'findStr' works fine. If the string.d's function
'indexOfAny' do this work,it will happy.(but now 'IndexOfAny'
and 'indexOf' do the same work) .
Thank you.
More information about the Digitalmars-d-learn
mailing list