,“/3/whatsnew/3.”)
print
(regular_v3)
# [‘html’]
# […]匹配括号中的其中一个字符
|
1
2
3
|
regular_v4
=
(r
"[t,w]h"
,
“/3/whatsnew/3.”
)
print
(regular_v4)
# [‘th’, ‘wh’]
|
“d”是正则语法规则用来匹配0到9之间的数返回列表
|
1
2
3
4
5
6
|
regular_v5
=
(r
"\d"
,
“/3/whatsnew/3.”
)
regular_v6
=
(r
"\d\d\d"
,
“/3/whatsnew/3./1234”
)
print
(regular_v5)
# [‘3’, ‘3’, ‘6’]
print
(regular_v6)
# [‘123’]
|
小d表示取数字0-9，大D表示不要数字，也就是出了数字以外的内容返回
|
1
2
3
|
regular_v7
=
(r
"\D"
,
“/3/whatsnew/3.”
)
print
(regular_v7)
# [‘h’, ‘t’, ‘t’, ‘p’, ‘s’, ‘:’, ‘/’, ‘/’, ‘d’, ‘o’, ‘c’, ‘s’, ‘.’, ‘p’, ‘y’, ‘t’, ‘h’, ‘o’, ‘n’, ‘.’, ‘o’, ‘r’, ‘g’, ‘/’, ‘/’, ‘w’, ‘h’, ‘a’, ‘t’, ‘s’, ‘n’, ‘e’, ‘w’, ‘/’, ‘.’, ‘.’, ‘h’, ‘t’, ‘m’, ‘l’]
|
“w”在正则里面代表匹配从小写a到z,大写A到Z，数字0到9
|
1
2
3
|
regular_v8
=
(r
"\w"
,
“/3/whatsnew/3.”
)
print
(regular_v8)
#[‘h’, ‘t’, ‘t’, ‘p’, ‘s’, ‘d’, ‘o’, ‘c’, ‘s’, ‘p’, ‘y’, ‘t’, ‘h’, ‘o’, ‘n’, ‘o’, ‘r’, ‘g’, ‘3’, ‘w’, ‘h’, ‘a’, ‘t’, ‘s’, ‘n’, ‘e’, ‘w’, ‘3’, ‘6’, ‘h’, ‘t’, ‘m’, ‘l’]
|
“W”在正则里面代表匹配除了字母与数字以外的特殊符号
|
1
2
3
|
regular_v9
=
(r
"\W"
,
“/3/whatsnew/3.”
)
print
(regular_v9)
# [’:’, ‘/’, ‘/’, ‘.’, ‘.’, ‘/’, ‘/’, ‘/’, ‘.’, ‘.’]
|