Regular expression to select alphanumeric characters and only first occurance of $ in string "foo$blahblah$123$$"

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1

what can be the regular expression to select alphanumeric characters and only first occurance of $ in string “foo$blahblah$123$$”

2

HI,

Try this sequence, hope it helps.
Main.xaml (5.1 KB)

Regards

3

Hi

Thanks for the sample.

  • Can you tell more about the pattern within the text?
  • What is your expected output?

Are you looking to get “foo$” or “$blahblah” or “blahblah$”?

Check out the below for a possible solution:

Left Assign:
Str_Result
Right Assign:
system.text.RegularExpressions.Regex.Match(str_Input, “INSERTxREGEXxPATTERN”).tostring

The above will only get the first result from a Regex expression.

Output pane example:
image

For the Regex patterns check the below links:
“Foo$” pattern - “[a-zA-Z0-9]+\$”
“$blahblah” pattern - “\$[a-zA-Z0-9]+(?=\$)”
“blahblah$” pattern - “(?<=\$)[a-zA-Z0-9]+\$”

Hopefully this helps you :slight_smile:

Check out my Regex MegaPost if you want to learn more

4

Hi,

If result you expect is "foo$blahblah123", the following will help you.

System.Text.RegularExpressions.Regex.Match(yourString,"^.*?\$").Value+String.Join("",yourString.Split("$"c).Skip(1))

Regards,

5

Thank you for your time people, it works! Good Day!

6

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