diff --git a/conf.d/regexroute.conf.sample b/conf.d/regexroute.conf.sample
index b99b4f1e..08ebd6e3 100644
--- a/conf.d/regexroute.conf.sample
+++ b/conf.d/regexroute.conf.sample
@@ -43,6 +43,7 @@
 ;  $(ge,VAL1,VAL2) = "true" if VAL1 >= VAL2, "false" otherwise
 ;  $(streq,VAL1,VAL2) = "true" if VAL1 = VAL2 (string), "false" otherwise
 ;  $(strne,VAL1,VAL2) = "true" if VAL1 != VAL2 (string), "false" otherwise
+;  $(strpos,VAL1,VAL2) = 0-based position of VAL1 in VAL2, -1 if not found
 ;  $(random,STRING) = STRING with each ? character replaced with a random digit
 ;  $(index,N,ITEM1,ITEM2,...) = N-th (modulo length of list) item in list
 ;  $(rotate,N,ITEM1,ITEM2,...) = list rotated N (modulo length of list) times
diff --git a/modules/regexroute.cpp b/modules/regexroute.cpp
index fb01b44f..f15186c6 100644
--- a/modules/regexroute.cpp
+++ b/modules/regexroute.cpp
@@ -182,6 +182,13 @@ static void evalFunc(String& str)
 	    ret ^= (str == par);
 	    str = ret;
 	}
+	else if ((sep >= 0) && (str == "strpos")) {
+	    str = par.substr(sep+1);
+	    par = par.substr(0,sep);
+	    vars(str);
+	    vars(par);
+	    str = str.find(par);
+	}
 	else if ((sep >= 0) && ((str == "add") || (str == "+")))
 	    mathOper(str,par,sep,OPER_ADD);
 	else if ((sep >= 0) && ((str == "sub") || (str == "-")))