New American Standard Bible (©1995)
For though I caused you sorrow by my letter, I do not regret it; though I did regret it-- for I see that that letter caused you sorrow, though only for a while--
King James Bible
For though I made you sorry with a letter, I do not repent, though I did repent: for I perceive that the same epistle hath made you sorry, though it were but for a season.
Darby Bible Translation
For if also I grieved you in the letter, I do not regret it, if even I have regretted it; for I see that that letter, if even it were only for a time, grieved you.
English Revised Version
For though I made you sorry with my epistle, I do not regret it, though I did regret; for I see that that epistle made you sorry, though but for a season.
Online Parallel Bible