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Extract title from name in c# [closed]

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How do I extract title from name as Mr. from Mr.ABC or Dr. from Dr.XYZ or M/S. from M/S. PQR in C#?

I would recommend regex for a clean way to get the title.
Regex regex = new Regex(#"^(Mr|Ms|Dr|Sr)\.");
Match match = regex.Match("Mr.ABC");
Console.WriteLine(match.Value);

You can split the string on '.' and then take the first value.
string str = "Mr.ABC";
string title = str.Spilt('.')[0];

There is no need to use regex.
Use String Split method:
var title = myString.Split('.')[0];

How i can get the first match in regex and import this match in a string? [closed]

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For example using a regex expression del(.*?)del get delcatdel
and save the result in string or in text
word1word2delcatdelword3word4deldogdelword5
in my text (or string) i need obtain delcatdel
USING c sharp
please anybody help me

var regex = new Regex("del(.*?)del");
var match = regex.Match("word1word2delcatdelword3word4deldogdelword5");
string matched = match.Value;

Regular expression to search for files and folders [closed]

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Help write a regular expression to search for files and folders,
searches for a given mask. In the mask, you can use "*"
(any characters in any number), and the "?" (one symbol).

Here shows you how to use regex in C#.
You could always just loop the directory that you're looking in and check the file names instead of making a regex. (You'll need to use System.IO)
Perhaps something like this?
string [] fileEntries = Directory.GetFiles(targetDirectory);
Regex regex = new Regex("target file name");
Match match = regex.Match(string.Join(" ", fileEntries););
if (match.Success)
{
Console.WriteLine(match.Value);
}

C# Regex questions [closed]

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How can I extract the word "Word" (or any word) using Regex into a string in both cases? in the following string:
Word = CreateObject(980, -1696.5996, -12.2998, 5.3, 0, 0, 317.999);
MoveObject(Word, -1660.9004, 79.40039, 2.2,6);
I am pretty new in Regex, and I am having hard time understanding the tutorials over the internet.
I have tried using /(.*)( = CreateObject)/ but no luck
Tried using /MoveObject\(.*?\,/ and it works, but it matches MoveObject too, and I want it to match only "Word"
Thanks!

You could try the below regex.
#".*?(?= = CreateObject)|(?<=MoveObject\().*?(?=,)"
OR
#"\S+?(?= = CreateObject)|(?<=MoveObject\().*?(?=,)"
DEMO

Simple solution for #"\b \b" [closed]

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I am trying read one string from TextBox and use in my script.
Suppose this TextBox name is: txt3.
I want read this value and use in below lines:
string s = Regex.Replace(str,
#"\btxt3.Text\b",
txt4.Text,
RegexOptions.IgnoreCase);
How I can write this #"\btxt3.Text\b" ?
I want write that as :
string str==#"\btxt3.Text\b";

You want something like:
String.Format(#"\b{0}\b", txt3.Text)

Try this
string s = Regex.Replace(str, string.Format(#"\b{0}\b",txt3.Text), txt4.Text, RegexOptions.IgnoreCase);

If you want to combine value of txt3 with other strings, one way to do it is write
"\\b" + txt3.Text + "\\b"
instead of
#"\btxt3.Text\b"