The phrase "established a regime" is correct and usable in written English.
It can be used when discussing the creation or implementation of a governing system or authority, often in a political context.
Example: "After years of conflict, the new government established a regime that aimed to bring stability to the region."
Alternatives: "set up a regime" or "instituted a regime."
She established a regime known for its creative and long-lasting relationships.
Fully exploiting their built-in advantages, they established a regime that proved over the years to be incapable of governing the country.
The new SS camp commandant, Hilmar Wäckerle, a smartly dressed young officer in his mid-30s who always carried a bullwhip in his hand, established a regime of unrestrained barbarity and cruelty.
Confusingly for Gove and Young, the school's principal, Peter Walker, has established a regime of discipline and order – neat uniforms, long school days, mobile phone bans – of the kind that they might be expected to like.
From newly captured Xi'an, in early April 1645 the Qing mounted a campaign against the rich commercial and agricultural region of Jiangnan south of the lower Yangtze River, where in June 1644 a Ming imperial prince had established a regime loyal to the Ming.
As a result, the UN passed a series of resolutions demanding Iraq disarm itself of such weapons and establishing a regime of weapons inspection and monitoring to do the task.
Eicke was charged with restoring order in Dachau, which he did by establishing a regime based on a set of draconian but comprehensible rules enforced by a properly constituted permanent staff of SS guards.
Pakistan's military leaders saw the Taliban then as a means of establishing a regime in Kabul that would be supportive of Pakistan's interests and hostile to its rival, India.
After the fall of the Second Empire and the suppression of the Paris Commune, the new Constitutional Laws of 1875 were adopted, establishing a regime based on parliamentary supremacy.
Caroline Spelman, Britain's Environment Secretary, said last night from Nagoya: "We have also agreed an historic protocol which has been 18 years in the making, establishing a regime where developing countries will allow access to their genetic and natural resources in return for a share of the benefits for their use".
Past results have shown that input fluctuations can establish a regime of high spike-time reliability [38, 39] or high sensitivity of firing frequency to input current strength [37, 40, 41], and tuning background input levels to facilitate or suppress postsynaptic activity is at least biologically plausible.
