--_3a9719dc-f6e8-4afa-b739-e06376173ac0_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Luis, Axel and Greg, I thank you for your suggestions. The levenshtein distance algorithm seems like the way to go, and I'll be taking a look athe implementations mentioned. I apologize for hijacking the thread. I didn't realize I was doing this, I naively assumed threads were based on the subject line, which I replaced. But apparently not so. It won't happen again in any case. _________________________________________________________________ Insert movie times and more without leaving Hotmail http://windowslive.com/Tutorial/Hotmail/QuickAdd?ocid=TXT_TAGLM_WL_HM_Tutorial_QuickAdd_062009-_3a9719dc-f6e8-4afa-b739-e06376173ac0_--