SOURCE

const str = `{getFieldDecorator('remark', {
                  rules: [{ required: true, message: '请认真填写备注信息' }],
                })(<Input style={{ width: '70%' }} />)}`.replace(/\s*/g,"");

const str1 = str.replace('{getFieldDecorator(', "name=");
const str2 = str1.replace(',{rules:', " rules={");
const str3 = str2.replace(',initialValue:', "} initialValue={");
const str4 = str3.replace(',}', "}");
console.log(str4.split(')(')[0]);