diff --git a/contrib/devtools/check-doc.py b/contrib/devtools/check-doc.py
index 4e87cdae827..0c2e1a24be0 100755
--- a/contrib/devtools/check-doc.py
+++ b/contrib/devtools/check-doc.py
@@ -16,31 +16,33 @@ import sys
 
 FOLDER_GREP = 'src'
 FOLDER_TEST = 'src/test/'
+REGEX_ARG = '(?:ForceSet|SoftSet|Get|Is)(?:Bool)?Args?(?:Set)?\("(-[^"]+)"'
+REGEX_DOC = 'HelpMessageOpt\("(-[^"=]+?)(?:=|")'
 CMD_ROOT_DIR = '`git rev-parse --show-toplevel`/{}'.format(FOLDER_GREP)
-CMD_GREP_ARGS = r"egrep -r -I '(map(Multi)?Args(\.count\(|\[)|Get(Bool)?Arg\()\"\-[^\"]+?\"' {} | grep -v '{}'".format(CMD_ROOT_DIR, FOLDER_TEST)
-CMD_GREP_DOCS = r"egrep -r -I 'HelpMessageOpt\(\"\-[^\"=]+?(=|\")' {}".format(CMD_ROOT_DIR)
-REGEX_ARG = re.compile(r'(?:map(?:Multi)?Args(?:\.count\(|\[)|Get(?:Bool)?Arg\()\"(\-[^\"]+?)\"')
-REGEX_DOC = re.compile(r'HelpMessageOpt\(\"(\-[^\"=]+?)(?:=|\")')
+CMD_GREP_ARGS = r"git grep --perl-regexp '{}' -- {} ':(exclude){}'".format(REGEX_ARG, CMD_ROOT_DIR, FOLDER_TEST)
+CMD_GREP_DOCS = r"git grep --perl-regexp '{}' {}".format(REGEX_DOC, CMD_ROOT_DIR)
 # list unsupported, deprecated and duplicate args as they need no documentation
 SET_DOC_OPTIONAL = set(['-rpcssl', '-benchmark', '-h', '-help', '-socks', '-tor', '-debugnet', '-whitelistalwaysrelay', '-prematurewitness', '-walletprematurewitness', '-promiscuousmempoolflags', '-blockminsize', '-dbcrashratio', '-forcecompactdb', '-usehd'])
 
+
 def main():
-  used = check_output(CMD_GREP_ARGS, shell=True, universal_newlines=True)
-  docd = check_output(CMD_GREP_DOCS, shell=True, universal_newlines=True)
-
-  args_used = set(re.findall(REGEX_ARG,used))
-  args_docd = set(re.findall(REGEX_DOC,docd)).union(SET_DOC_OPTIONAL)
-  args_need_doc = args_used.difference(args_docd)
-  args_unknown = args_docd.difference(args_used)
-
-  print("Args used        : {}".format(len(args_used)))
-  print("Args documented  : {}".format(len(args_docd)))
-  print("Args undocumented: {}".format(len(args_need_doc)))
-  print(args_need_doc)
-  print("Args unknown     : {}".format(len(args_unknown)))
-  print(args_unknown)
-
-  sys.exit(len(args_need_doc))
+    used = check_output(CMD_GREP_ARGS, shell=True, universal_newlines=True)
+    docd = check_output(CMD_GREP_DOCS, shell=True, universal_newlines=True)
+
+    args_used = set(re.findall(re.compile(REGEX_ARG), used))
+    args_docd = set(re.findall(re.compile(REGEX_DOC), docd)).union(SET_DOC_OPTIONAL)
+    args_need_doc = args_used.difference(args_docd)
+    args_unknown = args_docd.difference(args_used)
+
+    print("Args used        : {}".format(len(args_used)))
+    print("Args documented  : {}".format(len(args_docd)))
+    print("Args undocumented: {}".format(len(args_need_doc)))
+    print(args_need_doc)
+    print("Args unknown     : {}".format(len(args_unknown)))
+    print(args_unknown)
+
+    sys.exit(len(args_need_doc))
+
 
 if __name__ == "__main__":
     main()