Comment: Capture phone XXX-XXX-XXXX or date XXXX-XX-XX
\da Unicode decimal digit
\da Unicode decimal digit
\da Unicode decimal digit
\da Unicode decimal digit
-the literal - (4510 / 558 / 2D16)
\da Unicode decimal digit
-the literal - (4510 / 558 / 2D16)
\da Unicode decimal digit
\da Unicode decimal digit
-the literal - (4510 / 558 / 2D16)
\da Unicode decimal digit
\da Unicode decimal digit
Non-Capturing Group(?:\d\d)? ?repeats the group contents below at most once:
\da Unicode decimal digit
\da Unicode decimal digit
\ba Unicode word boundary