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implement character ranges

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This commit is contained in:
Fritz Grimpen 2025-02-08 18:38:01 +01:00
parent 2d191fbf94
commit 4678c619a2
1 changed files with 10 additions and 0 deletions

10
regex.c
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@ -11,6 +11,7 @@ bool char_match(char c, char *needle, char **nneedl)
int db; int db;
bool neg; bool neg;
bool m; bool m;
char rc;
m = false; m = false;
if (*needle == '[') if (*needle == '[')
{ {
@ -23,6 +24,15 @@ bool char_match(char c, char *needle, char **nneedl)
{ {
if ((*needle == c) != neg) if ((*needle == c) != neg)
m = true; m = true;
if (needle[1] == '-' && needle[2] && needle[2] != ']')
{
// match range
for (rc = *needle; rc <= needle[2]; rc++)
if ((rc == c) != neg)
m = true;
needle++;
needle++;
}
if (db) if (db)
db--; db--;
} }