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Add alphanumeric pattern

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This commit is contained in:
Bruce Hill 2024-09-15 18:41:37 -04:00
parent 269c98d106
commit e59584acbd
1 changed files with 9 additions and 0 deletions
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9
stdlib/patterns.c
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@ -382,6 +382,12 @@ static int64_t match_int(TextIter_t *state, int64_t index)
return len >= 0 ? len : -1;
}
static int64_t match_alphanumeric(TextIter_t *state, int64_t index)
{
return EAT1(state, index, uc_is_property_alphabetic((ucs4_t)grapheme) || uc_is_property_numeric((ucs4_t)grapheme))
? 1 : -1;
}
static int64_t match_num(TextIter_t *state, int64_t index)
{
bool negative = EAT1(state, index, grapheme == '-') ? 1 : 0;
@ -588,6 +594,9 @@ static pat_t parse_next_pat(TextIter_t *state, int64_t *index)
case 'a':
if (strcasecmp(prop_name, "authority") == 0) {
return PAT(PAT_FUNCTION, .fn=match_authority);
} else if (strcasecmp(prop_name, "alphanum") == 0 || strcasecmp(prop_name, "anum") == 0
|| strcasecmp(prop_name, "alphanumeric") == 0) {
return PAT(PAT_FUNCTION, .fn=match_alphanumeric);
}
break;
case 'd':