changing a value with regex in python code example
Example 1: python replace regex
import re
s = "Example String"
replaced = re.sub('[ES]', 'a', s)
print replaced
# will print 'axample atring'
Example 2: variable in regex python
import re
s = 'I love books'
var_name = 'love'
result = re.search('(.+)'+var_name+'(.+)',s)
print result
var_name = 'hate'
s2 = 'I hate books'
result = re.search('(.+)'+var_name+'(.+)',s2)
print result