chore: match regex with pact-jvm for int/decimal

https://github.com/pact-foundation/pact-jvm/blob/00442e6df51e5be906ed470b19859246312e5c83/core/matchers/src/main/kotlin/au/com/dius/pact/core/matchers/MatcherExecutor.kt\#L56-L59

lib/pact/helpers.rb

@@ -47,12 +47,14 @@ def like_date date
       Pact::Term.new(generate: date, matcher: /^\d{4}-[01]\d-[0-3]\d$/)
     end
 
+    # regex matched with pact-jvm 
+    # https://github.com/pact-foundation/pact-jvm/blob/00442e6df51e5be906ed470b19859246312e5c83/core/matchers/src/main/kotlin/au/com/dius/pact/core/matchers/MatcherExecutor.kt#L56-L59
     def like_integer int
-      Pact::Term.new(generate: int, matcher: /[0-9]/)
+      Pact::Term.new(generate: int, matcher: /^-?\d+$/)
     end
 
     def like_decimal float
-      Pact::Term.new(generate: float, matcher: /[-+]?([0-9]*\.[0-9]+|[0-9]+)/)
+      Pact::Term.new(generate: float, matcher: /^0|-?\d+\.\d*$/)
     end
 
     def like_datetime_rfc822 datetime

spec/lib/pact/helpers_spec.rb

@@ -146,7 +146,7 @@ module Pact
       it "creates a Pact::Term with regex matcher for integers" do
         expect(like_integer(integer)).to eq Pact::Term.new(
           generate: integer,
-          matcher: /[0-9]/
+          matcher: /^-?\d+$/
         )
       end
     end
@@ -156,7 +156,7 @@ module Pact
       it "creates a Pact::Term with regex matcher for decimals" do
         expect(like_decimal(10.2)).to eq Pact::Term.new(
           generate: float,
-          matcher: /[-+]?([0-9]*\.[0-9]+|[0-9]+)/
+          matcher: /^0|-?\d+\.\d*$/
         )
       end
     end

spec/lib/pact/term_spec.rb

@@ -15,15 +15,15 @@ module Pact
         end
 
         context "when the generate is a integer" do
-          let(:term) { Term.new(generate: 10, matcher: /[0-9]/)}
+          let(:term) { Term.new(generate: 10, matcher: /^-?\d+$/)}
 
           it 'does not raise an exception' do
             term
           end
         end
 
         context "when the generate is a float" do
-          let(:term) { Term.new(generate: 50.51, matcher: /[-+]?([0-9]*\.[0-9]+|[0-9]+)/)}
+          let(:term) { Term.new(generate: 50.51, matcher: /^0|-?\d+\.\d*$/)}
 
           it 'does not raise an exception' do
             term