diff --git a/gearbox/core/JsonSchema.cc b/gearbox/core/JsonSchema.cc
index 5fd227f..b300587 100644
--- a/gearbox/core/JsonSchema.cc
+++ b/gearbox/core/JsonSchema.cc
@@ -54,13 +54,12 @@ static bool DateFormatChecker(const std::string & value) {
 }
 
 static bool UriFormatChecker(const std::string & value) {
-    //TODO replace XXX with regex taken from: perl -MRegexp::Common=URI -e 'print $RE{URI}' | perl -pi -e 's/http/https?/; s/\\/\\\\/g'
-    //static boost::regex rx(
-    //    "XXX", 
-    //    boost::regex::perl
-    //);
-    //return regex_match(value, rx);
-    return true;
+    // regex taken from: perl -MRegexp::Common=URI -e 'print $RE{URI}' | perl -pi -e 's/http/https?/; s/\\/\\\\/g'
+    static boost::regex rx(
+        "(?:(?:(?:https?)://(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z])[.]?)|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+)))(?::(?:(?:[0-9]*)))?(?:/(?:(?:(?:(?:(?:(?:[a-zA-Z0-9\\-_.!~*'():@&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*)(?:;(?:(?:[a-zA-Z0-9\\-_.!~*'():@&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*))*)(?:/(?:(?:(?:[a-zA-Z0-9\\-_.!~*'():@&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*)(?:;(?:(?:[a-zA-Z0-9\\-_.!~*'():@&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*))*))*))(?:[?](?:(?:(?:[;/?:@&=+$,a-zA-Z0-9\\-_.!~*'()]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*)))?))?)|(?:(?:nntp)://(?:(?:(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z]))|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+)))(?::(?:(?:[0-9]+)))?)/(?:(?:[a-zA-Z][-A-Za-z0-9.+_]*))(?:/(?:[0-9]+))?))|(?:(?:file)://(?:(?:(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z]))|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+))|localhost)?)(?:/(?:(?:(?:(?:[-a-zA-Z0-9$_.+!*'(),:@&=]|(?:%[a-fA-F0-9][a-fA-F0-9]))*)(?:/(?:(?:[-a-zA-Z0-9$_.+!*'(),:@&=]|(?:%[a-fA-F0-9][a-fA-F0-9]))*))*)))))|(?:(?:ftp)://(?:(?:(?:(?:[a-zA-Z0-9\\-_.!~*'();:&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*))(?:)@)?(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z])[.]?)|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+)))(?::(?:(?:[0-9]*)))?(?:/(?:(?:(?:(?:(?:[a-zA-Z0-9\\-_.!~*'():@&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*)(?:/(?:(?:[a-zA-Z0-9\\-_.!~*'():@&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*))*))(?:;type=(?:[AIai]))?))?)|(?:(?:tel):(?:(?:(?:[+](?:[0-9\\-.()]+)(?:;isub=[0-9\\-.()]+)?(?:;postd=[0-9\\-.()*#ABCDwp]+)?(?:(?:;(?:phone-context)=(?:(?:(?:[+][0-9\\-.()]+)|(?:[0-9\\-.()*#ABCDwp]+))|(?:(?:[!'E-OQ-VX-Z_e-oq-vx-z~]|(?:%(?:2[124-7CFcf]|3[AC-Fac-f]|4[05-9A-Fa-f]|5[1-689A-Fa-f]|6[05-9A-Fa-f]|7[1-689A-Ea-e])))(?:[!'()*\\-.0-9A-Z_a-z~]+|(?:%(?:2[1-9A-Fa-f]|3[AC-Fac-f]|[4-6][0-9A-Fa-f]|7[0-9A-Ea-e])))*)))|(?:;(?:tsp)=(?: |(?:(?:(?:[A-Za-z](?:(?:(?:[-A-Za-z0-9]+)){0,61}[A-Za-z0-9])?)(?:[.](?:[A-Za-z](?:(?:(?:[-A-Za-z0-9]+)){0,61}[A-Za-z0-9])?))*))))|(?:;(?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*)(?:=(?:(?:(?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*)(?:[?](?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*))?)|(?:%22(?:(?:%5C(?:[a-zA-Z0-9\\-_.!~*'()]|(?:%[a-fA-F0-9][a-fA-F0-9])))|[a-zA-Z0-9\\-_.!~*'()]+|(?:%(?:[01][a-fA-F0-9])|2[013-9A-Fa-f]|[3-9A-Fa-f][a-fA-F0-9]))*%22)))?))*)|(?:[0-9\\-.()*#ABCDwp]+(?:;isub=[0-9\\-.()]+)?(?:;postd=[0-9\\-.()*#ABCDwp]+)?(?:;(?:phone-context)=(?:(?:(?:[+][0-9\\-.()]+)|(?:[0-9\\-.()*#ABCDwp]+))|(?:(?:[!'E-OQ-VX-Z_e-oq-vx-z~]|(?:%(?:2[124-7CFcf]|3[AC-Fac-f]|4[05-9A-Fa-f]|5[1-689A-Fa-f]|6[05-9A-Fa-f]|7[1-689A-Ea-e])))(?:[!'()*\\-.0-9A-Z_a-z~]+|(?:%(?:2[1-9A-Fa-f]|3[AC-Fac-f]|[4-6][0-9A-Fa-f]|7[0-9A-Ea-e])))*)))(?:(?:;(?:phone-context)=(?:(?:(?:[+][0-9\\-.()]+)|(?:[0-9\\-.()*#ABCDwp]+))|(?:(?:[!'E-OQ-VX-Z_e-oq-vx-z~]|(?:%(?:2[124-7CFcf]|3[AC-Fac-f]|4[05-9A-Fa-f]|5[1-689A-Fa-f]|6[05-9A-Fa-f]|7[1-689A-Ea-e])))(?:[!'()*\\-.0-9A-Z_a-z~]+|(?:%(?:2[1-9A-Fa-f]|3[AC-Fac-f]|[4-6][0-9A-Fa-f]|7[0-9A-Ea-e])))*)))|(?:;(?:tsp)=(?: |(?:(?:(?:[A-Za-z](?:(?:(?:[-A-Za-z0-9]+)){0,61}[A-Za-z0-9])?)(?:[.](?:[A-Za-z](?:(?:(?:[-A-Za-z0-9]+)){0,61}[A-Za-z0-9])?))*))))|(?:;(?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*)(?:=(?:(?:(?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*)(?:[?](?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*))?)|(?:%22(?:(?:%5C(?:[a-zA-Z0-9\\-_.!~*'()]|(?:%[a-fA-F0-9][a-fA-F0-9])))|[a-zA-Z0-9\\-_.!~*'()]+|(?:%(?:[01][a-fA-F0-9])|2[013-9A-Fa-f]|[3-9A-Fa-f][a-fA-F0-9]))*%22)))?))*))))|(?:(?:fax):(?:(?:(?:[+](?:[0-9\\-.()]+)(?:;isub=[0-9\\-.()]+)?(?:;tsub=[0-9\\-.()]+)?(?:;postd=[0-9\\-.()*#ABCDwp]+)?(?:(?:;(?:phone-context)=(?:(?:(?:[+][0-9\\-.()]+)|(?:[0-9\\-.()*#ABCDwp]+))|(?:(?:[!'E-OQ-VX-Z_e-oq-vx-z~]|(?:%(?:2[124-7CFcf]|3[AC-Fac-f]|4[05-9A-Fa-f]|5[1-689A-Fa-f]|6[05-9A-Fa-f]|7[1-689A-Ea-e])))(?:[!'()*\\-.0-9A-Z_a-z~]+|(?:%(?:2[1-9A-Fa-f]|3[AC-Fac-f]|[4-6][0-9A-Fa-f]|7[0-9A-Ea-e])))*)))|(?:;(?:tsp)=(?: |(?:(?:(?:[A-Za-z](?:(?:(?:[-A-Za-z0-9]+)){0,61}[A-Za-z0-9])?)(?:[.](?:[A-Za-z](?:(?:(?:[-A-Za-z0-9]+)){0,61}[A-Za-z0-9])?))*))))|(?:;(?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*)(?:=(?:(?:(?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*)(?:[?](?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*))?)|(?:%22(?:(?:%5C(?:[a-zA-Z0-9\\-_.!~*'()]|(?:%[a-fA-F0-9][a-fA-F0-9])))|[a-zA-Z0-9\\-_.!~*'()]+|(?:%(?:[01][a-fA-F0-9])|2[013-9A-Fa-f]|[3-9A-Fa-f][a-fA-F0-9]))*%22)))?))*)|(?:[0-9\\-.()*#ABCDwp]+(?:;isub=[0-9\\-.()]+)?(?:;tsub=[0-9\\-.()]+)?(?:;postd=[0-9\\-.()*#ABCDwp]+)?(?:;(?:phone-context)=(?:(?:(?:[+][0-9\\-.()]+)|(?:[0-9\\-.()*#ABCDwp]+))|(?:(?:[!'E-OQ-VX-Z_e-oq-vx-z~]|(?:%(?:2[124-7CFcf]|3[AC-Fac-f]|4[05-9A-Fa-f]|5[1-689A-Fa-f]|6[05-9A-Fa-f]|7[1-689A-Ea-e])))(?:[!'()*\\-.0-9A-Z_a-z~]+|(?:%(?:2[1-9A-Fa-f]|3[AC-Fac-f]|[4-6][0-9A-Fa-f]|7[0-9A-Ea-e])))*)))(?:(?:;(?:phone-context)=(?:(?:(?:[+][0-9\\-.()]+)|(?:[0-9\\-.()*#ABCDwp]+))|(?:(?:[!'E-OQ-VX-Z_e-oq-vx-z~]|(?:%(?:2[124-7CFcf]|3[AC-Fac-f]|4[05-9A-Fa-f]|5[1-689A-Fa-f]|6[05-9A-Fa-f]|7[1-689A-Ea-e])))(?:[!'()*\\-.0-9A-Z_a-z~]+|(?:%(?:2[1-9A-Fa-f]|3[AC-Fac-f]|[4-6][0-9A-Fa-f]|7[0-9A-Ea-e])))*)))|(?:;(?:tsp)=(?: |(?:(?:(?:[A-Za-z](?:(?:(?:[-A-Za-z0-9]+)){0,61}[A-Za-z0-9])?)(?:[.](?:[A-Za-z](?:(?:(?:[-A-Za-z0-9]+)){0,61}[A-Za-z0-9])?))*))))|(?:;(?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*)(?:=(?:(?:(?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*)(?:[?](?:(?:[!'*\\-.0-9A-Z_a-z~]+|%(?:2[13-7ABDEabde]|3[0-9]|4[1-9A-Fa-f]|5[AEFaef]|6[0-9A-Fa-f]|7[0-9ACEace]))*))?)|(?:%22(?:(?:%5C(?:[a-zA-Z0-9\\-_.!~*'()]|(?:%[a-fA-F0-9][a-fA-F0-9])))|[a-zA-Z0-9\\-_.!~*'()]+|(?:%(?:[01][a-fA-F0-9])|2[013-9A-Fa-f]|[3-9A-Fa-f][a-fA-F0-9]))*%22)))?))*))))|(?:(?:prospero)://(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z]))|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+)))(?::(?:(?:[0-9]+)))?/(?:(?:(?:(?:[-a-zA-Z0-9$_.+!*'(),?:@&=]|(?:%[a-fA-F0-9][a-fA-F0-9]))*)(?:/(?:(?:[-a-zA-Z0-9$_.+!*'(),?:@&=]|(?:%[a-fA-F0-9][a-fA-F0-9]))*))*))(?:(?:;(?:(?:[-a-zA-Z0-9$_.+!*'(),?:@&]|(?:%[a-fA-F0-9][a-fA-F0-9]))*)=(?:(?:[-a-zA-Z0-9$_.+!*'(),?:@&]|(?:%[a-fA-F0-9][a-fA-F0-9]))*))*))|(?:(?:tv):(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z])[.]?))?)|(?:(?:telnet)://(?:(?:(?:(?:(?:[-a-zA-Z0-9$_.+!*'(),;?&=]|(?:%[a-fA-F0-9][a-fA-F0-9]))*))(?::(?:(?:(?:[-a-zA-Z0-9$_.+!*'(),;?&=]|(?:%[a-fA-F0-9][a-fA-F0-9]))*)))?)@)?(?:(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z]))|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+)))(?::(?:(?:[0-9]+)))?)(?:/)?)|(?:(?:news):(?:(?:[*]|(?:(?:[-a-zA-Z0-9$_.+!*'(),;/?:&=]|(?:%[a-fA-F0-9][a-fA-F0-9]))+@(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z]))|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+)))|(?:[a-zA-Z][-A-Za-z0-9.+_]*))))|(?:(?:wais)://(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z]))|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+)))(?::(?:(?:[0-9]+)))?/(?:(?:(?:(?:[-a-zA-Z0-9$_.+!*'(),]|(?:%[a-fA-F0-9][a-fA-F0-9]))*))(?:[?](?:(?:(?:[-a-zA-Z0-9$_.+!*'(),;:@&=]|(?:%[a-fA-F0-9][a-fA-F0-9]))*))|/(?:(?:(?:[-a-zA-Z0-9$_.+!*'(),]|(?:%[a-fA-F0-9][a-fA-F0-9]))*))/(?:(?:(?:[-a-zA-Z0-9$_.+!*'(),]|(?:%[a-fA-F0-9][a-fA-F0-9]))*)))?))|(?:(?:gopher)://(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z]))|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+)))(?::(?:(?:[0-9]+)))?/(?:(?:(?:[0-9+IgT]))(?:(?:(?:[-a-zA-Z0-9$_.+!*'(),:@&=]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*))))|(?:(?:pop)://(?:(?:(?:(?:[-a-zA-Z0-9$_.+!*'(),&=~]+|(?:%[a-fA-F0-9][a-fA-F0-9]))+))(?:;AUTH=(?:[*]|(?:(?:(?:[-a-zA-Z0-9$_.+!*'(),&=~]+|(?:%[a-fA-F0-9][a-fA-F0-9]))+)|(?:[+](?:APOP|(?:(?:[-a-zA-Z0-9$_.+!*'(),&=~]+|(?:%[a-fA-F0-9][a-fA-F0-9]))+))))))?@)?(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z]))|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+)))(?::(?:(?:[0-9]+)))?))",
+        boost::regex::perl
+    );
+    return regex_match(value, rx);
 }
 
 static bool Ipv4FormatChecker( const std::string & value ) {