Practical Data Wrangling

Matching the start of string

If the ^ character is used at the beginning of the pattern string, the regular expression will only produce a match if the pattern is found at the beginning of the search string:

....a_at_start = re.compile("^a")if a_at_start.search("a"):    print("'a' is a match")if a_at_start.search("a 1234"):    print("'a 1234' is a match")if a_at_start.search("1234 a"):    print("'1234 a' is a match")