\ba Unicode word boundary
RHS the literal text RHS (case sensitive) \d+a Unicode decimal digit, repeated at least once
\.?optionally matches the literal . (4610 / 568 / 2E16)
\d?optionally matches a Unicode decimal digit
xthe literal x (12010 / 1708 / 7816) (case sensitive)
\d+a Unicode decimal digit, repeated at least once
\.?optionally matches the literal . (4610 / 568 / 2E16)
\d?optionally matches a Unicode decimal digit
xthe literal x (12010 / 1708 / 7816) (case sensitive)
\d+a Unicode decimal digit, repeated at least once
\.?optionally matches the literal . (4610 / 568 / 2E16)
\d?optionally matches a Unicode decimal digit
Negative Lookahead(?!\.?\d?x) \.?optionally matches the literal . (4610 / 568 / 2E16)
\d?optionally matches a Unicode decimal digit
xthe literal x (12010 / 1708 / 7816) (case sensitive)
\ba Unicode word boundary
g modifier: global. Finds all matches instead of stopping after the first