Replacing the First Two Digits with Four Digits Numbers in Notepad++

Replacing the First Two Digits of Four-Digit Numbers in Notepad++

Notepad++ is a popular text editor used for various programming and text editing tasks. In this article, we will focus on replacing the first two digits of four-digit numbers using Notepad++.

Context

Suppose we have a piece of code with several four-digit numbers, and we want to replace the first two digits of all these numbers with new values. For instance, we may want to replace 1111 with 2111, 1131 with 3131, and 1143 with 4143.

Key Concepts

• Notepad++: A text editor for various programming and text editing tasks.
• Search and Replace: A feature that allows finding and replacing specific text in a document.
• Regular Expressions: A powerful tool for searching and replacing text based on patterns.

Substitutions

To replace the first two digits of four-digit numbers in Notepad++, we can use regular expressions in the Find and Replace dialog.

 
 (defc 1111 2111) ; Replace 1111 with 2111
 (def 6t 1155)      ; Leave 1155 unchanged
 (def  dt 1143)
 (defa 1131 3131)   ; Replace 1131 with 3131
 
 

Detailed Substitutions

Let's examine the substitutions step by step:

 
 (defc 1111 2111) ; Replace 1111 with 2111
 
 

This substitution replaces the sequence "1111" with "2111".

 
 (def 6t 1155)      ; Leave 1155 unchanged
 
 

This substitution leaves the sequence "1155" unchanged.

 
 (def  dt 1143)
 
 

This substitution leaves the sequence "1143" unchanged.

 
 (defa 1131 3131)   ; Replace 1131 with 3131
 
 

This substitution replaces the sequence "1131" with "3131".