src/vs/workbench/contrib/terminal/browser/terminalFindWidget.ts/TerminalFindWidget/_onInputChanged
class TerminalFindWidget:	protected _onInputChanged() {
		// Ignore input changes for now
		const instance = this._terminalService.activeInstance;
		if (instance?.xterm) {
			instance.xterm.findPrevious(this.inputValue, { regex: this._getRegexValue(), wholeWord: this._getWholeWordValue(), caseSensitive: this._getCaseSensitiveValue(), incremental: true }).then(foundMatch => {
				this.updateButtons(foundMatch);
			});
		}
		return false;
	}