Cvars:

healthregeneration_enabled -- Enable/Disable Health Regeneration
healthregeneration_maxhealth -- Amount of Health to regenerate or spawn
healthregeneration_delaytime -- Cooldow after take damage to start regenerate Health
healthregeneration_speed -- Speed with which health is regenerated

healthspawn_enabled -- Enable/Disable health spawn
armorspawn_enabled -- Enable/Disable Armor spawn

armorregeneration_enabled -- Enable/Disable Armor Regeneration
armorregeneration_maxarmor -- Amount of Armor to regenerate or spawn
armorregeneration_delaytime -- Cooldow after take damage to start regenerate Armor
armorregeneration_speed -- Speed with which health is regenerated

Recommended put in the console:
choose the one of your choice or create your own

--//-- Gmod Custom Style --//--

healthregeneration_enabled 1
healthregeneration_maxhealth 100
healthregeneration_delaytime 12
healthregeneration_speed 4

healthspawn_enabled 1
armorspawn_enabled 1

armorregeneration_enabled 1
armorregeneration_maxarmor 100
armorregeneration_delaytime 18
armorregeneration_speed 3

--//-- Call Of Duty Style --//--

healthregeneration_enabled 1
healthregeneration_maxhealth 100
healthregeneration_delaytime 6
healthregeneration_speed 2.5

healthspawn_enabled 0
armorspawn_enabled 0

armorregeneration_enabled 0
armorregeneration_maxarmor 0
armorregeneration_delaytime 0
armorregeneration_speed 0

--//-- Warface Style --//--

healthregeneration_enabled 1
healthregeneration_maxhealth 100
healthregeneration_delaytime 6
healthregeneration_speed 1.5

healthspawn_enabled 1
armorspawn_enabled 1

armorregeneration_enabled 1
armorregeneration_maxarmor 150
armorregeneration_delaytime 6
armorregeneration_speed 1.5