"slightest regard" is correct and usable in written English.
It is a synonym of "slightest consideration" and means to think about or consider something, even if only slightly. For example: "He seemed to have not the slightest regard for his own safety."
It was titled "Yardages by Angelo," without the slightest regard for irony.
Such restraint has long since passed: nowadays, most of us jabber away without the slightest regard for those around us, our private lives spilling out into the public space, our voices loud and our language coarse.
Were that true, we would have to believe that presidents who faced a mounting sea of troubles at home have nonetheless conducted their foreign policy without the slightest regard for those troubles – that individual presidents were divided into watertight compartments, one labelled 'domestic' and the other 'foreign'".
The crucifixes "show the state's unequivocal will to place Catholicism at the center of the universe," the judge wrote, adding that this was being done in public schools "without the slightest regard for the role of other religions in human development".
Anyone with the slightest regard for liberty should be appalled".
She held up her cell phone and dialed the police, shouting, "I'm calling the police right now!" The guy looked at her with only the slightest regard, perhaps knowing that French police are basically nonexistent at that hour.
The government hires blacks and gives contracts to black-owned firms wherever possible, with slight regard to competence.
The words literally mean asacred monster -- an extraordinary character who dominates a field, often controversially, with slight regard for the niceties.
Decades of propaganda have conditioned Chinese to sense slights regarding Taiwan, and the fact that the insult came from a Japanese company only quickened Mr. Tang's vigilance.
He refused to acknowledge the company's past successes — and those who had a hand in them — for fear of projecting the slightest doubt regarding the overwhelming superiority and necessity of his new product.
My right knee cracked as I stood, a reminder of the torn A.C.L. I'd suffered in high school when I'd made the slightest miscalculation regarding the drop off the back side of a boulder while snowboarding at Mammoth.
