Keywords regex
 

I'm having trouble coming up with a simple regular expression. I want a regex that will match a list of keywords, which must be surrounded by non-word characters (\W+). However, if two keywords are next to each other, the \W at the end of the first is "used up" by the first keyword and causes the next keyword not to match because of the \W at the beginning. For example:

will match only "void" in the string

Any ideas? I am using PCRE. Is there a flag I can set, or something else I can do?

Re: Keywords regex
 

Perhaps using the global flag would help, and maybe using the word boundary anchors (\b) instead. They start the pattern matching at the beginning of the word instead. How you capture the result can also affect the results.

For Example:

Re: Keywords regex
 

Thanks, glimmy. That does the trick. As it happens, I had already found a solution to this problem which I posted here yesterday; unfortunately, it was erased this morning as result of server issues. However, I prefer your solution to mine as it is much simpler (although both work equally well). Here is mine, which uses lookaround constructs: