正则匹配

#1.匹配手机号码
import re
text="13578900987"
ret=re.match("^1[3578]\d{9}",text)
print(ret.group())
#输出：'18578900987'

ret=re.findall("^1[358]\d{9}",text)
print(ret)
#输出：['18578900987']

#.2.匹配邮箱
emails="yanglin1_happy@126.com"
ret=re.match('\w+@\w+\.(cn|org|com)$',emails)
print(ret.group())

#3.匹配URL
text="ftp://www.cnblogs.com/oneraven/p/5890272.html"
ret=re.search('^(http|https|ftp)://[^\s]+',text)
print(ret.group())