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#!/usr/bin/env python # coding=utf-8 import re datas = [] file = open("/tmp/test.txt") while 1: line = file.readline() if not line: break datas.append(line.replace("\n","")) file.close() print len(datas) #print datas for i in range(1,len(datas),2): first_part = datas[i].replace('redhat-abc-','').replace('CDN:','') seconf_part = datas[i-1] pattern = re.compile(r'-(v|[0-9]).*$') mach_for2 = pattern.search(seconf_part) #print mach_for2 if mach_for2: #print 'group:',mach_for2.group() final = first_part+":"+mach_for2.group().lstrip()[1:] print str(final).replace(" ","") else: print 'this line have some issue:',first_part print 'second:',seconf_part |
在写这个程序的时候，正则表达式卡我半天 …. 如果你使用 match， 则正则表达式中一定要包含 ^.* ，表示从头开始匹配，这与我的目标不符合，所以改用seach ,