TA的每日心情 | 开心 2021-12-13 21:45 |
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签到天数: 15 天 [LV.4]偶尔看看III
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- [b]import [/b]re
- [b]x = re.search("r\D+a","123chenronghua")
- [/b][b]print(x.group())
- [/b][b]s = re.search("r[a-z]+a","123chenronghua")
- [/b][b]print(s.group())
- [/b][b]z = re.search("r[a-z]+a$","123chenronghuazhaobaoyua").group()
- [/b][b]print(z)
- [/b][b]c = re.search("r[a-z]+a","123chenronghua123zhaobaoyua").group()
- [/b][b]print(c)
- [/b][b]
- [/b][b]
- [/b][i]#f = re.search("aaa?","aalixaaa")#?匹配?前面的字符一次或零次
- [/i][i]#print(f.group())#执行结果aa 因为第三个a匹配了零次,优先匹配前面的 数组
- [/i]g = re.search([b]"[0-9]{3}"[/b],[b]"m1a2k145search"[/b])
- print(g.group())
- g = re.findall([b]"[0-9]{1,3}"[/b],[b]"m1a2k345search"[/b])
- print(g)
- f = re.search([b]"aaa?"[/b],[b]"aalixaaa"[/b])[i]#?匹配?前面的字符一次或零次
- [/i]print(f.group())[i]#执行结果aa 因为第三个a匹配了零次,优先匹配前面的 数组
- [/i][i]
- [/i]p = re.search([b]"(?p<name>[a-z]{9})(?p<age>[0-9]{2})"[/b],[b]"zhaobaoyu23"[/b]).groupdict()
- print(p)
- [b]
- [/b][b]split的数字分割符
- [/b][b]L = re.split("[0-9]+","zhao1bao2yu3is4haoren")
- [/b][b]print(L)[/b]
复制代码
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