c# - Regex to find the word immediately after a particular word

Question

I want to find the word immediately after a particular word in a string using a regex. For example, if the word is 'my',

"This is my prayer"- prayer

"this is my book()"- book

Is it possible using regex?

Answer 1

The regex would be

(?<=mys+)p{L}+

p{L}+ is a sequence of letters. The p{L} is a Unicode code point with the property "Letter", so it matches a letter in any language.

(?<=mys+) is a lookbehind assertion, that ensures thet word "my" is before