Select the next line after match regex

Question

I\'m currently using a scanning software \"Drivve Image\" to extract certain information from each paper. This software enables certain Regex code to be run if needed. It se

Answer 1

Description

ordernr[\r\n]+([^\r\n]+)

This regular expression will do the following:

• find the ordernr substring
• place the line following ordernr capture group 1

Example

Live Demo

https://regex101.com/r/dQ0gR6/1

Sample text

 1. 21Sid1
 2. Ordernr
 3. E17222
 4. By
 5. Seller

Sample Matches

[0][0] = Ordernr
 3. E17222
[0][1] =  3. E17222

Explanation

NODE                     EXPLANATION
----------------------------------------------------------------------
  ordernr                  'ordernr'
----------------------------------------------------------------------
  [\r\n]+                  any character of: '\r' (carriage return),
                           '\n' (newline) (1 or more times (matching
                           the most amount possible))
----------------------------------------------------------------------
  (                        group and capture to \1:
----------------------------------------------------------------------
    [^\r\n]+                 any character except: '\r' (carriage
                             return), '\n' (newline) (1 or more times
                             (matching the most amount possible))
----------------------------------------------------------------------
  )                        end of \1
----------------------------------------------------------------------

Alternativly

To just capture the line using a look-around so that ordernr is not included in capture group 0 and to accommodate all the variation of \r and \n

(?<=ordernr\r|ordernr\n|ordernr\r\n)[^\r\n]+

Live Demo

https://regex101.com/r/pA4fD4/2