Vad sägs om PATINDEX-funktionen?
Mönstermatchningen i TSQL är inte ett komplett regex-bibliotek, men det ger dig grunderna.
(Från Books Online)
Wildcard Meaning
% Any string of zero or more characters.
_ Any single character.
[ ] Any single character within the specified range
(for example, [a-f]) or set (for example, [abcdef]).
[^] Any single character not within the specified range
(for example, [^a - f]) or set (for example, [^abcdef]).