diff --git a/src/fmt/prm.c b/src/fmt/prm.c
new file mode 100644
index 0000000..9ddcb15
--- /dev/null
+++ b/src/fmt/prm.c
@@ -0,0 +1,96 @@
+/**
+ * @file prm.c Generic parameter decoding
+ *
+ * Copyright (C) 2010 Creytiv.com
+ */
+#include <re_types.h>
+#include <re_fmt.h>
+
+
+/**
+ * Check if a semicolon separated parameter is present
+ *
+ * @param pl    PL string to search
+ * @param pname Parameter name
+ *
+ * @return true if found, false if not found
+ */
+bool fmt_param_exists(const struct pl *pl, const char *pname)
+{
+	struct pl semi, eop;
+	char expr[128];
+
+	if (!pl || !pname)
+		return false;
+
+	(void)re_snprintf(expr, sizeof(expr),
+			  "[;]*[ \t\r\n]*%s[ \t\r\n;=]*",
+			  pname);
+
+	if (re_regex(pl->p, pl->l, expr, &semi, NULL, &eop))
+		return false;
+
+	if (!eop.l && eop.p < pl->p + pl->l)
+		return false;
+
+	return semi.l > 0 || pl->p == semi.p;
+}
+
+
+/**
+ * Fetch a semicolon separated parameter from a PL string
+ *
+ * @param pl    PL string to search
+ * @param pname Parameter name
+ * @param val   Parameter value, set on return
+ *
+ * @return true if found, false if not found
+ */
+bool fmt_param_get(const struct pl *pl, const char *pname, struct pl *val)
+{
+	struct pl semi;
+	char expr[128];
+
+	if (!pl || !pname)
+		return false;
+
+	(void)re_snprintf(expr, sizeof(expr),
+			  "[;]*[ \t\r\n]*%s[ \t\r\n]*=[ \t\r\n]*[~ \t\r\n;]+",
+			  pname);
+
+	if (re_regex(pl->p, pl->l, expr, &semi, NULL, NULL, NULL, val))
+		return false;
+
+	return semi.l > 0 || pl->p == semi.p;
+}
+
+
+/**
+ * Apply a function handler for each semicolon separated parameter
+ *
+ * @param pl  PL string to search
+ * @param ph  Parameter handler
+ * @param arg Handler argument
+ */
+void fmt_param_apply(const struct pl *pl, fmt_param_h *ph, void *arg)
+{
+	struct pl prmv, prm, semi, name, val;
+
+	if (!pl || !ph)
+		return;
+
+	prmv = *pl;
+
+	while (!re_regex(prmv.p, prmv.l, "[ \t\r\n]*[~;]+[;]*",
+			 NULL, &prm, &semi)) {
+
+		pl_advance(&prmv, semi.p + semi.l - prmv.p);
+
+		if (re_regex(prm.p, prm.l,
+			     "[^ \t\r\n=]+[ \t\r\n]*[=]*[ \t\r\n]*[~ \t\r\n]*",
+			     &name, NULL, NULL, NULL, &val))
+			break;
+
+		ph(&name, &val, arg);
+	}
+}