Add the .re_match() method.

README.rst

@@ -32,6 +32,7 @@ CONTENTS
 * :ref:`func_set.match`
 * :ref:`func_set.matched`
 * :ref:`func_set.nmatches`
+* :ref:`func_set.re_match`
 * :ref:`func_set.string`
 * :ref:`func_set.which`
 * :ref:`func_version`
@@ -239,6 +240,28 @@ Example::
   }
 
 
+.. _func_set.re_match:
+
+BOOL xset.re_match(STRING subject, INT n, ENUM select)
+------------------------------------------------------
+
+::
+
+      BOOL xset.re_match(
+            STRING subject,
+            INT n=0,
+            ENUM {UNIQUE, EXACT, FIRST, LAST, SHORTEST, LONGEST} select=UNIQUE
+      )
+
+Returns ...
+
+Example::
+
+  if (myset.hasprefix(req.url)) {
+     # ...
+  }
+
+
 .. _func_set.debug:
 
 STRING xset.debug()

src/vmod_selector.c

@@ -616,6 +616,27 @@ vmod_set_string(VRT_CTX, struct vmod_selector_set * set, VCL_INT n,
 	return (s);
 }
 
+VCL_BOOL
+vmod_set_re_match(VRT_CTX, struct vmod_selector_set *set, VCL_STRING subject,
+		  VCL_INT n, VCL_ENUM selects)
+{
+	unsigned idx;
+	vre_t *re;
+
+	CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC);
+	CHECK_OBJ_NOTNULL(set, VMOD_SELECTOR_SET_MAGIC);
+
+	idx = get_idx(ctx, n, set, "re_match", selects);
+	if (idx == UINT_MAX)
+		return (0);
+	if (!check_added(ctx, set, idx, REGEX, "re_match", "regex"))
+		return (0);
+
+	re = set->table[idx]->re;
+	AN(re);
+	return (VRT_re_match(ctx, subject, re));
+}
+
 VCL_STRING
 vmod_set_debug(VRT_CTX, struct vmod_selector_set *set)
 {

src/vmod_selector.vcc

@@ -135,6 +135,18 @@ $Method STRING .string(INT n=0,
 
 Returns ...
 
+Example::
+
+  if (myset.hasprefix(req.url)) {
+     # ...
+  }
+
+$Method BOOL .re_match(STRING subject, INT n=0,
+		       ENUM {UNIQUE, EXACT, FIRST, LAST, SHORTEST, LONGEST}
+		       select=UNIQUE)
+
+Returns ...
+
 Example::
 
   if (myset.hasprefix(req.url)) {