src/vs/editor/common/model/textModelSearch.ts/SearchParams/constructor
class SearchParams:	constructor(searchString: string, isRegex: boolean, matchCase: boolean, wordSeparators: string | null) {
		this.searchString = searchString;
		this.isRegex = isRegex;
		this.matchCase = matchCase;
		this.wordSeparators = wordSeparators;
	}