I want to search and replace substring in string which starts and ends with

Question

Asked: May 23, 20262026-05-23T15:58:42+00:00 2026-05-23T15:58:42+00:00

I want to search and replace substring in string which starts and ends with special character.

string myString = "FIELD COMPARRISON SAME ROWîSTLîTHEATRE_CASEîCLIENT_IDî==î*EMERGENCY_CLINICAL_PRIORITY_LOCAL_CODE*í";

** I want to replace *EMERGENCY_CLINICAL_PRIORITY_LOCAL_CODE* with some other value **

Edit: Sorry my fault.

I want to replace EMERGENCY_CLINICAL_PRIORITY_LOCAL_CODE with some other value.

currently am using IndexOf to find first and second instance of * and then get the string with above indexes. How this can be achieved in RegEx?

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Editorial Team · Answer 1 · 2026-05-23T15:58:42+00:00

Editorial Team

char  marker = 'í';
Regex regex = new Regex (string.Format ("(?<={0})([^{0}]*)", marker));
regex.Replace (input, "replacement");

By the way, if marker ever changes, you may need to use Regex.Escape(marker) instead of marker in the string.Format.

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