PHP function explode to C# for fetching value between start and end

Question

I'm trying to code a scraper in C#, the thing is I have already made one in PHP but I'm trying to migrate on C#.

Can this possibly be converted on C# as I'm not yet good in coding with this language.

PHP Function:

function fetchValue($string,$start,$end){
    $str = explode($start,$string);
    $str = explode($end,$str[1]);
    return $str[0];
}

What it exactly does is it extracts the first occurence string between the START and the END.

How is it used:

$exampleString = "long live stackoverflow";
$fetchString = fetchValue($exampleString,"long "," stackoverflow";
echo $fetchString;

This will then output the word "live" as the START was "long" and the END was "stackoverflow"

Every answers will much be appreciated! Thanks in advance!

Possible duplicate of https://stackoverflow.com/questions/7598826/alternative-of-phps-explode-implode-functions-in-c-sharp — , Jan 18 '19 at 16:55
Hi @Amy thank you for your response. Could you possibly give an example using it? Much appreciated! — CedeeCQ, Jan 18 '19 at 16:56
The C# String class already has a method that does that called `Split` — Some random IT boy, Jan 18 '19 at 16:57
If you need an example of calling a function in C#, perhaps you should do some tutorials. This is pretty basic. Also, the documentation for the methods in the accepted answer provides you examples. — , Jan 18 '19 at 16:59
What you could do is something like. `var str = string.Split(start); var str2 = str[1].Split(end); return str2[0];` — Some random IT boy, Jan 18 '19 at 16:59
Hi @SomerandomITboy How does this exactly start if there is no basis for the start and the end :/ btw thank you for reply — CedeeCQ, Jan 18 '19 at 17:05

Some random IT boy · Accepted Answer · 2019-01-18T17:29:50.807

0

Use the Split method from the C#'s String class; see this reference

Don't forget to add using System.Text.RegularExpressions; along with the other using statements

public string ExtractValue(string source, string start, string end) {
    string[] str = Regex.Split(source, start);
    string[] str2 = Regex.Split(str[1], end);
    return str2[0];
}

edited Jan 18 '19 at 17:29

answered Jan 18 '19 at 17:09

Some random IT boy

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Thank you for your approach and the effort yet unfortunately I'm unable to use it due to error: Cannot convert from string to char – CedeeCQ Jan 18 '19 at 17:16
Any possible fix about it? – CedeeCQ Jan 18 '19 at 17:17
Thank you for your quick response. I really appreciate it. Accepted this as an answer. But btw, do you think this is the best approach in doing such task? – CedeeCQ Jan 18 '19 at 17:24
I imagine you're going to use this to extract values from child nodes in the `DOM` and you're going to call it like `string child = ExtractValue(parent, "
",
");`. Regular expressions are quite effective when it comes to parsing text they are used by compilers all around the world.
– Some random IT boy Jan 18 '19 at 17:33

PHP function explode to C# for fetching value between start and end

1 Answers1