Python search for all strings in code

Question

Im trying to get a regex expression that i can plugin to find all strings in a file. For example if i had a file that had

using System;

public class Test: TestClass{
    public int val1 = 0;
    public string val2 = "Value";
    //This is a "test" class
    public Test(value = "temp"){
        val2 = value;
    }
}

id want the expression to return ["Value", "temp"]

here is my python file im using now.

import os
import shutil
import subprocess
import codecs
import sys
import re
pattern = re.compile("((?:[^\"\\\\]|\\\\.)*)")
with codecs.open(filepath,"r","utf-8") as f:
    for line in f.readlines():
       m = re.findall(pattern, line)
       for string in m:
           print string

Is this C#? Then, a more reliable approach would be to use the AST parser, see stackoverflow.com/questions/1432998/…. — alecxe
– alecxe, Commented Jan 29, 2016 at 6:02

Avinash Raj · Accepted Answer · 2016-01-29 06:21:14Z

4

Apply re.findall function on the lines which won't startswith //.

with codecs.open(filepath,"r","utf-8") as f:
    out = []
    for line in f:
        if not line.strip().startswith('//'):
            out.extend(re.findall(r'"([^"]*)"', line))
    print out

edited Jan 29, 2016 at 6:21

answered Jan 29, 2016 at 6:07

Avinash Raj

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3 Comments

pushkin Over a year ago

@WilliamMcCarty Do you need it to work for /* */ comments as well?

pushkin Over a year ago

@AvinashRaj That's my point. If he wants it to work for all C#-like files, your solution won't always work.

William McCarty Over a year ago

@pushkin yes that would help as well, but from my question originally the answer given works.

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