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I have lines in a text file that I need to parse with regular expressions and assign numbers to variables. Here is an example of what the lines looks like

      1   35 A K              0   0  182

So there is whitespace in the beginning of the string, and whenever I use this website (https://pythex.org/) it does not seem to match anything when I use the regular expression

^s+d+s+d+swsws+ds+ds+d

How can I use regular expressions to assign 182 to a variable?

You can use the following regex.

^s+d+s+d+s+w+s+w+s+d+s+d+s+(d+)

You can put the last number in a group which you can capture in your code.

Following is a test python script.

import re



regex = r"^s+d+s+d+s+w+s+w+s+d+s+d+s+(d+)"



test_str = "      1   35 A K              0   0  182"



matches = re.finditer(regex, test_str, re.MULTILINE)



for matchNum, match in enumerate(matches):

    matchNum = matchNum + 1



    print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group()))



    for groupNum in range(0, len(match.groups())):

        groupNum = groupNum + 1



        print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum)))

Output:

Match 1 was found at 0-40:       1   35 A K              0   0  182

Group 1 found at 37-40: 182