Presumably to pursue a long career of regretting that he left a lead role on the best show on network television.
It's better to regret not having kids then having them and regretting it.
This is a crying evil: a bad state of things; and in regretting it, we must not lay the blame wholly on the opposite sex.
We are perpetually referring to them, quoting, regretting them.
According to Barbour, he made no answer, only regretting the breaking of his good axe-shaft.
I was—and am—regretting that what I told the men couldn't be the truth.
Did the lover look back, regretting the broken word, the wrong done to another?
I recollect his regretting the splendid guardsmen of the old Empire,—for what?
Sivel gathered these particulars during his stay at Canterbury, regretting the proceedings of Laurentius.
Only to spend all your spare moments afterward in regretting it.
"to look back with distress or sorrowful longing; to grieve for on remembering," late 14c., from Old French regreter "long after, bewail, lament someone's death; ask the help of" (Modern French regretter), from re-, intensive prefix (see re-), + -greter, possibly from Frankish or some other Germanic source (cf. Old English grætan "to weep;" Old Norse grata "to weep, groan"), from Proto-Germanic *gretan "weep." "Not found in other Romance languages, and variously explained" [Century Dictionary].
Related: Regretted; regretting. Replaced Old English ofþyncan, from of- "off, away," here denoting opposition, + þyncan "seem, seem fit" (as in methinks).
"pain or distress in the mind at something done or left undone," 1530s, from the verb, or from Middle French regret, back-formation from regreter (see regret (v.)).