# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(//[^\n]+)|(/\*.*?\*/)"
test_str = ("#define MC2\n"
"#define MC1\n\n"
"# ifndef MCTEST\n"
"#define MCTEST\n"
" \n"
"#ifdef MC1 \n\n"
"#define data1 0x20\n"
"/*cmment start*/#define /*this is comment*/ data2 2.5f\n"
"#define date3 L\"this is a data\"\n"
"#define data4 true\n\n\n"
"#ifdef MC2\n\n"
"#define data5 'a'\n"
"#define data6 { {2.0, \"abc\"}, {1.5, \"def\"}, {5.6f, \"7.2\"}} // ¸¡µãÓë×Ö·û´®×é³ÉµÄ½á¹¹Ìå³õʼ»¯¾ÛºÏ£¬ ÔÙ½øÒ»²½¾ÛºÏ×é³ÉÁËÊý×é\n\n"
"#else //else MC2\n\n"
"# define data5 {5.0, 7.5, 3.8}\n"
"#define data6 'c'\n\n"
"#endif //end MC2\n\n"
"#ifdef MC3\n"
" //¼ÙifǶÌ×£¬ÓÃÓÚ²âÊÔ£¬ÔÚÓ¦¸Ã±»ºöÂÔµÄÇé¿öÏ£¬#endifµÄ¼æÈÝÇé¿ö\n"
"#endif //end MC3\n\n"
"#else//else MC1\n"
"\"//ccc\"\n"
"\"/*bbb*/\"\n"
"\"/**/\"\n"
"//\"//bbb\"\n"
"/*\"jjjjj\"*/\n"
"#define data1 1.0f /* this is float\n"
"may be changed\n"
"*/\n"
"#define data2 2\n"
"#define date3 false\n"
"#define data4 \"this is a data\"\n\n\n"
"#ifdef MC2\n\n"
"#define data5 'B'\n"
"#define data6 {1, 6, 3}\n"
"#define data7 0xa\n\n"
"#else//else MC2\n\n"
"#define data5 'D'\n"
"#define data6 {1, 6}\n\n"
"#endif //end MC2\n\n"
"#endif //MC1\n\n"
"#ifdef MC2\n"
"#undef MC2\n"
"#endif\n\n"
"/*ÔÚ¶àÐÐ×¢ÊͺóÃæ½ô¸úÒ»¸öµ¥ÐÐ×¢ÊÍ*///½ô¸úµÄµ¥ÐÐ×¢ÊÍ\n\n"
"#endif // !MC_TEST")
matches = re.finditer(regex, test_str)
for matchNum, match in enumerate(matches, start=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)))
# Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html