diff options
Diffstat (limited to 'misc/examples/regex_replace.c')
| -rw-r--r-- | misc/examples/regex_replace.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/misc/examples/regex_replace.c b/misc/examples/regex_replace.c index ebb57488..d3952f50 100644 --- a/misc/examples/regex_replace.c +++ b/misc/examples/regex_replace.c @@ -16,9 +16,13 @@ int main() { const char* pattern = "\\b(\\d\\d\\d\\d)-(1[0-2]|0[1-9])-(3[01]|[12][0-9]|0[1-9])\\b"; const char* input = "start date: 2015-12-31, end date: 2022-02-28"; + cstr str = {0}; + cregex re = {0}; - c_auto (cstr, str) - { + c_defer( + cregex_drop(&re), + cstr_drop(&str) + ){ printf("INPUT: %s\n", input); /* replace with a fixed string, extended all-in-one call: */ @@ -34,17 +38,17 @@ int main() printf("brack: %s\n", cstr_str(&str)); /* Shows how to compile RE separately */ - c_with (cregex re = cregex_from(pattern), cregex_drop(&re)) { - if (cregex_captures(&re) == 0) - continue; /* break c_with */ - /* European date format. */ - cstr_take(&str, cregex_replace(&re, input, "$3.$2.$1")); - printf("euros: %s\n", cstr_str(&str)); - - /* Strip out everything but the matches */ - cstr_take(&str, cregex_replace_sv(&re, csview_from(input), "$3.$2.$1;", 0, NULL, CREG_R_STRIP)); - printf("strip: %s\n", cstr_str(&str)); - } + re = cregex_from(pattern); + if (cregex_captures(&re) == 0) + continue; /* break c_defer */ + + /* European date format. */ + cstr_take(&str, cregex_replace(&re, input, "$3.$2.$1")); + printf("euros: %s\n", cstr_str(&str)); + + /* Strip out everything but the matches */ + cstr_take(&str, cregex_replace_sv(&re, csview_from(input), "$3.$2.$1;", 0, NULL, CREG_R_STRIP)); + printf("strip: %s\n", cstr_str(&str)); /* Wrap all words in ${} */ cstr_take(&str, cregex_replace_pattern("[a-z]+", "52 apples and 31 mangoes", "$${$0}")); |