python去除文本中的数字和空格

python清除文本中数字、空格的方法

原文地址：https://blog.csdn.net/u013671341/article/details/19245827

def tripNumsAlpha():
    '''patt=re.compile(r"[^0-9]") then we would get like str1=''.join(re.findall(patt,"1215北京"))
       str1=>'北京'.Now you see what you want to .
    '''
    import re
    
    patt=re.compile(r"[^0-9a-zA-Z]")
    lis1=[]
    
    with open('D:\\clrename\\clearspace.txt', 'r') as f:
        for it in f.readlines():
            str1=''.join(re.findall(patt,it))
            lis1.append(str.lstrip(str1))
 
    f.close()
    
    with open('D:\\clrename\\clearspace-out.txt', 'w+') as f1:
        for it in lis1:
            print(it)
            f1.writelines(it)
    f1.close()
    print("-"*4+"Finished"+"-"*4)
tripNumsAlpha() #原文没有加上函数调用过程，跑不出来结果。