java - Regex for checking file extensions and untitled -

java - Regex for checking file extensions and untitled -

i have next regex: (?s)(?i)\.(pdf|doc|docx|xls)|untitled checks filetype extensions or word untitled.

@transient private static final pattern titlepattern = pattern.compile("(?s)(?i)\\.(pdf|doc|docx|xls)$|untitled");

now, tests failing because of text such .document or .docblah.

how modify regex stop regex matching characters after filetype extensions?

you remove $ i.e (?s)(?i)\.(pdf|doc|docx|xls)|untitled

java regex pattern-matching