diff --git a/tests/utils/test_parser.py b/tests/utils/test_parser.py
index 50179c7..604ac9a 100644
--- a/tests/utils/test_parser.py
+++ b/tests/utils/test_parser.py
@@ -13,6 +13,7 @@ def parser() -> Generator[Parser, None, None]:
         'varst=variable to reStructuredText',
         'version=0.2.0',
         'release=v0.2.0',
+        'url=https://example.com?query=new-value',
     ])
     yield parser
 
@@ -22,6 +23,7 @@ def test_parse_sub_pairs(parser: Parser):
         'varst': 'variable to reStructuredText',
         'version': '0.2.0',
         'release': 'v0.2.0',
+        'url': 'https://example.com?query=new-value',
     }
 
 
@@ -46,17 +48,3 @@ def test_parse_one_element(parser: Parser):
         parser.parse(['key='])
     with argparse_error():
         parser.parse(['=value'])
-
-
-def test_parse_more_than_two_element(parser: Parser):
-    with argparse_error():
-        parser.parse(['key=value=else'])
-
-
-def test_parse_many_equals(parser: Parser):
-    with argparse_error():
-        parser.parse(['key==value'])
-    with argparse_error():
-        parser.parse(['key===value'])
-    with argparse_error():
-        parser.parse(['key====value'])
diff --git a/varst/utils/parser.py b/varst/utils/parser.py
index 7933d73..41249c0 100644
--- a/varst/utils/parser.py
+++ b/varst/utils/parser.py
@@ -70,7 +70,7 @@ def _pattern_type(arg_value: str, pat=_VARIABLE_PATTERN) -> str:
         argparse.ArgumentTypeError
 
     """
-    if not pat.fullmatch(arg_value):
+    if not pat.match(arg_value):
         raise argparse.ArgumentTypeError(f"invalid pattern: {pat.pattern}")
     return arg_value
 
@@ -107,7 +107,7 @@ def _parse_kv(variables: List[str]) -> Dict[str, str]:
     result: Dict[str, str] = {}
 
     for variable in variables:
-        kv = variable.split("=")
+        kv = variable.split("=", 1)
         result[kv.pop()] = kv.pop()
 
     return result