Question

I am new to regular expressions.

Is it possible to match everything before a word that meets a certain criteria:

E.g.

THIS IS A TEST – – +++ This is a test

I would like it to encounter a word that begins with an uppercase and the next character is lower case. This constitutes a proper word. I would then like to delete everything before that word.

The example above should produce: This is a test

I only want to this processing until it finds the proper word and then stop.

Any help would be appreciated.

Thanks

Answer 1

Replace

^.*?(?=[A-Z][a-z]) 

with the empty string. This works for ASCII input. For non-ASCII input (Unicode, other languages), different strategies apply.

Explanation

.*?    Everything, until (?=    followed by [A-Z]  one of A .. Z and [a-z]  one of a .. z ) 

The Java Unicode-enabled variant would be this:

^.*?(?=\p{Lu}\p{Ll})