Not able to extract specific data from PDF

[Gokul_Jayakumar (Gokul Jai)]

@Justine

system.text.RegularExpressions.Regex.Match(strInvoiceText,“(?<=Tax Invoice No : )(\d+)”).value

system.text.RegularExpressions.Regex.Match(strInvoiceText,“(?<=Customer ID : )(\d+)”).Value

@Justine Your Regex Expressions are good. Are you facing any errors?
Kindly share more information about your requirement.