how to search all words starts match with regular expression character in php?

Question

I have to search all words from a string with regular expression character in php. i am using preg_match_all('/\\b.*?\\b/i', $string, $matchWords) ;

but it search all words character in the different position.

eg suppose string is "India is my country". I have to search i

It should result "India" and "is". Please help me

Answer 1

这可以通过/(?<!\\w)i\\w+/ regx 来完成它会起作用