| import re | |
| text = "\\boxed{\\left(3.0, \\frac{\\pi}{2}\\right)}\n\\" | |
| start = text.find(r"\boxed{") | |
| if start == -1: | |
| print("未找到 \boxed{}") | |
| else: | |
| start += len(r"\boxed{") # 跳过 "\boxed{" 的起始位置 | |
| brace_level = 1 | |
| end = start | |
| while end < len(text) and brace_level > 0: | |
| if text[end] == "{": | |
| brace_level += 1 | |
| elif text[end] == "}": | |
| brace_level -= 1 | |
| end += 1 | |
| if brace_level == 0: | |
| full_match = text[start-7:end] # 包含 "\boxed{" 和末尾 "}" | |
| inner_content = text[start:end-1] # 内部内容（去掉末尾的 "}"） | |
| print(full_match) # 输出：\boxed{\left(3.0, \frac{\pi}{2}\right)} | |
| print(inner_content) # 输出：\left(3.0, \frac{\pi}{2}\right) | |
| else: | |
| print("大括号未闭合") |