```python
def link_find(line:: str, opens: str, closes:    if len(opens) != 1 or len(closes) != 1:
        raise ValueError("Markers must be single characters")
    
    stack = []
    result = []
    
    for char in line:
        if char ==            if char in opens:
                stack.append(char)
            elif char in closes:
                if stack and stack[-1] == opens[0]:
                    result.append(''.join(stack[1:-1]))
                    stack = []
                else stack:
                    continue
    
    return result
```