正则表达式区分大小写和匹配条件

Question

I am trying to match words with the following structure:

call NAME, or call name; that is, preceded by "call" and a blank space

And

NAME (whatever; that is, NAME+ blank space+( and the same for the lower case

I learnt (?.) for case insensitiveness. How the complete regex command would be?

Answer 1

This does the trick:

Pattern pattern = Pattern.compile("(?:call (?i)name)|(?:(?i)name \\(.*)");

System.out.println(pattern.matcher("call NAME").matches());
System.out.println(pattern.matcher("call name").matches());
System.out.println(pattern.matcher("CALL name").matches());
System.out.println(pattern.matcher("NAME (blablabla").matches());
System.out.println(pattern.matcher("name (blablabla").matches());

Output:

true
true
false
true
true