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regex_match(3) rationL User Manual regex_match(3) NAME regex_match - Matche a string from against a compiled regular expres- sion SYNOPSIS #include <rationl.h> int regex_match(reg_t re, char *string); DESCRIPTION regex_match() matches a regular expression against a string and returns true(1) if the regular expression matches the string or false(0) other- wise. re The regular expression that was compiled using regex_compile string The string to match the regular expression against RETURN VALUE regex_match() returns true(1) if the string passed as parameter is matched by the regular expression false(0) if not. EXAMPLES Program that matches an email address passed as first parameter #include <rationl.h> #include <err.h> #include <stdio.h> int main(int argc, char** argv) { if(argc != 2) errx(1, "No input email address found."); reg_t re = regex_compile("\\w+(\\.\\w+)?@\\w+(\\.[a-z]{2,})+"); if(regex_match(re, argv[1])) printf("%s is a valid email.\n", argv[1]); else printf("%s is not a valid email.\n", argv[1]); regex_free(re); return 0; } rationL 0.1.0 April 5, 2021 regex_match(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLES
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