Question

获取两个字符串间的字符串的正则表达式

<meta content="text/html; charset=gb2312" http-equiv="Content-Type" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta charset=“utf-8" />
要这个里面的编码，也就是gb2312和utf-8

Answer 1

clear;clcs='fafw34rfdfloor_num":2bsaubakejdacbnklsfloor_num":3asdf23tfloor_num":4stsmnw54dgfloor_num":212floor_num":234floor_num":3';regexpi(s,'(?<=floor_num":2).*?(?=floor_num":3)','match')

ans =

'bsaubakejdacbnkls' '12floor_num":234'

Answer 2

/charset="?(\w)/

追问

你原来那个在java上面不能用，charset=\"?(\\w)改成这样，，匹配到第一个字母就没有了

追答

charset=["']?(\w+)