Extracting data using regexp_extract in Google BigQuery

Question

I am trying to extract data from a column which has multiple characters and I am only interested in getting the specific string from the input string. My sample input and ou

Answer 1

It's very simple to do:

select regexp_extract(input,r'he=(.{32})');

or as example:

select regexp_extract('http://mpp.xyz.com/conv/v=5;m=1;t=16901;ts=20150516234355;he=5e3152eafc50ed0346df7f10095d07c4;catname=Horoscope',r'he=(.{32})')