Regex.Replace just part of regex

Question

I made this line of code

mystring= Regex.Replace(mystring, @"\d+IEME", "E");

But got a problem because I want to keep the number. Like 7IEME replace to 7E

this post should help you http://stackoverflow.com/questions/6005609/replace-only-some-groups-with-regex — Dom, Jul 08 '14 at 17:39

score 6 · Accepted Answer · answered Jul 08 '14 at 17:40

6

Capture \d+ with a group and then for replacing, use $1 which means "Group 1" followed by E.

mystring= Regex.Replace(mystring, @"(\d+)IEME", "$1E");

answered Jul 08 '14 at 17:40

Amit Joki

score 0 · Answer 2 · answered Jul 08 '14 at 17:40

0

You should be using groups:

string mystring = "7IEME";
mystring= Regex.Replace(mystring, @"(\d+)IEME", "$1E");

answered Jul 08 '14 at 17:40

Adriano Carneiro

2 Answers2