Regex Editor & Tester

Matches a zero-width position wherever the remainder of the line consists only of one or more non-space characters up to the line end. With global and multiline flags, it matches every position within the final non-space run of each line — useful for locating or manipulating trailing words, appending content at line ends, or spotting orphaned text (the French title 'Orphelins' hints at detecting orphan lines/words in documents).