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How to call a method for each value in a string? [closed]

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I have a string like this:
var mystring = ',32,33,34,35,36'
How can I call a method for each value?

There are many ways to do that.
For ex:
foreach (string i in mystring.split(','))
callYourFunction(i);
Does this suits you?

Validation Expression - C# [closed]

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I am trying to create a validation expression for a table name in the format of:
Name_TableName_YYYYMMDD
right now I have something like this:
^[a-zA-Z0-9][^_]+[a-zA-Z0-9][^_]+\d{8}
Number at the end can read 8 digits.

You could try this (very basic) expression
[a-zA-Z]+_[a-zA-Z]+_[0-9]{4}(0[1-9]|1[0-2])(0[1-9]|[1-2][0-9]|3[0-1])
Link to a test

How to take char between digit and bracket? [closed]

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We have for egz. 4.7(8+3) how add multiple character between digit and bracket4.7*(8+3)

Capture digit followed by bracket into two groups, then replace matched value with group values and multiple character between them:
Regex.Replace(input, #"(\d)(\()", "$1*$2")
For input "4.7(5+(8+3)/1(1-2))" result will be "4.7*(5+(8+3)/1*(1-2))"

Keep it simple: REplace ( by *(

How to match a string that doesnt contain a pattern [closed]

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I am trying to write a regex template that matches all the strings that doesn't contain a certain template.
E.g.:
Matches:
This is my friend. He is very nice.
in
This is my friend. He is very nice.
but doesn't match anything in :
This is my friend John Michaels Fredrickson. He is very nice.
Because it contains something like this: ([A-Z][a-z]+\s?){3}

You can use negative lookahead:
^(?!.*?([A-Z][a-z]+\W){3}).*$
RegEx Demo

Finding Index of in combination with RegEx [closed]

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I would like to find the start position of the following in a string:
{UPPERCASESTRINGINANYLENGTH(
What is the fastest way of doing that? Thanks

You can;
foreach (Match match in Regex.Matches(" {AAA(1)} {XXX(2)} ", #"\{[A-Z]+\("))
{
if (match.Success)
int pos = match.Index;