
Assuming collating is required, the following result was found.
list, so the character class is always nested within the brackets for the character list in the regular expression. POSIX Collating Sequence The POSIX collating sequence element operator [. .] lets you use a collating sequence in your regular...

bc1qf6elrdxc968h0k673l2djc9wrpazhqtxw8qqp4
0xb038962F3809b425D661EF5D22294Cf45E02FebF