add the new command rt for using the regex pattern to find the tag

README.md

@@ -17,34 +17,49 @@
 Swag converts Go annotations to Swagger Documentation 2.0. We've created a variety of plugins for popular [Go web frameworks](#supported-web-frameworks). This allows you to quickly integrate with an existing Go project (using Swagger UI).
 
 ## Contents
- - [Getting started](#getting-started)
- - [Supported Web Frameworks](#supported-web-frameworks)
- - [How to use it with Gin](#how-to-use-it-with-gin)
- - [The swag formatter](#the-swag-formatter)
- - [Implementation Status](#implementation-status)
- - [Declarative Comments Format](#declarative-comments-format)
-	- [General API Info](#general-api-info)
-	- [API Operation](#api-operation)
-	- [Security](#security)
- - [Examples](#examples)
-	- [Descriptions over multiple lines](#descriptions-over-multiple-lines)
-	- [User defined structure with an array type](#user-defined-structure-with-an-array-type)
-	- [Function scoped struct declaration](#function-scoped-struct-declaration)
-	- [Model composition in response](#model-composition-in-response)
-	- [Add a headers in response](#add-a-headers-in-response)
-	- [Use multiple path params](#use-multiple-path-params)
-	- [Example value of struct](#example-value-of-struct)
-	- [SchemaExample of body](#schemaexample-of-body)
-	- [Description of struct](#description-of-struct)
-	- [Use swaggertype tag to supported custom type](#use-swaggertype-tag-to-supported-custom-type)
-	- [Use global overrides to support a custom type](#use-global-overrides-to-support-a-custom-type)
-	- [Use swaggerignore tag to exclude a field](#use-swaggerignore-tag-to-exclude-a-field)
-	- [Add extension info to struct field](#add-extension-info-to-struct-field)
-	- [Rename model to display](#rename-model-to-display)
-	- [How to use security annotations](#how-to-use-security-annotations)
-	- [Add a description for enum items](#add-a-description-for-enum-items)
-	- [Generate only specific docs file types](#generate-only-specific-docs-file-types)
-- [About the Project](#about-the-project)
+- [swag](#swag)
+  - [Contents](#contents)
+  - [Getting started](#getting-started)
+  - [swag cli](#swag-cli)
+  - [Supported Web Frameworks](#supported-web-frameworks)
+  - [How to use it with Gin](#how-to-use-it-with-gin)
+  - [The swag formatter](#the-swag-formatter)
+  - [Implementation Status](#implementation-status)
+- [Declarative Comments Format](#declarative-comments-format)
+  - [General API Info](#general-api-info)
+    - [Using markdown descriptions](#using-markdown-descriptions)
+  - [API Operation](#api-operation)
+  - [Mime Types](#mime-types)
+  - [Param Type](#param-type)
+  - [Data Type](#data-type)
+  - [Security](#security)
+  - [Attribute](#attribute)
+    - [Available](#available)
+    - [Future](#future)
+  - [Examples](#examples)
+    - [Descriptions over multiple lines](#descriptions-over-multiple-lines)
+    - [User defined structure with an array type](#user-defined-structure-with-an-array-type)
+    - [Function scoped struct declaration](#function-scoped-struct-declaration)
+    - [Model composition in response](#model-composition-in-response)
+    - [Add a headers in response](#add-a-headers-in-response)
+    - [Use multiple path params](#use-multiple-path-params)
+    - [Add multiple paths](#add-multiple-paths)
+    - [Example value of struct](#example-value-of-struct)
+    - [SchemaExample of body](#schemaexample-of-body)
+    - [Description of struct](#description-of-struct)
+    - [Use swaggertype tag to supported custom type](#use-swaggertype-tag-to-supported-custom-type)
+    - [Use global overrides to support a custom type](#use-global-overrides-to-support-a-custom-type)
+    - [Use swaggerignore tag to exclude a field](#use-swaggerignore-tag-to-exclude-a-field)
+    - [Add extension info to struct field](#add-extension-info-to-struct-field)
+    - [Rename model to display](#rename-model-to-display)
+    - [How to use security annotations](#how-to-use-security-annotations)
+    - [Add a description for enum items](#add-a-description-for-enum-items)
+    - [Generate only specific docs file types](#generate-only-specific-docs-file-types)
+  - [About the Project](#about-the-project)
+  - [Contributors](#contributors)
+  - [Backers](#backers)
+  - [Sponsors](#sponsors)
+  - [License](#license)
 
 ## Getting started
 
@@ -104,6 +119,7 @@ OPTIONS:
    --overridesFile value                  File to read global type overrides from. (default: ".swaggo")
    --parseGoList                          Parse dependency via 'go list' (default: true)
    --tags value, -t value                 A comma-separated list of tags to filter the APIs for which the documentation is generated.Special case if the tag is prefixed with the '!' character then the APIs with that tag will be excluded
+   --regexTags value, --rt value          A tag use the regex pattern to find the tag which match the pattern
    --collectionFormat value, --cf value   Set default collection format (default: "csv")
    --help, -h                             show help (default: false)
 ```

cmd/swag/main.go

@@ -34,6 +34,7 @@ const (
 	parseGoListFlag       = "parseGoList"
 	quietFlag             = "quiet"
 	tagsFlag              = "tags"
+	regexTagsFlag         = "regexTags"
 	parseExtensionFlag    = "parseExtension"
 	packageName           = "packageName"
 	collectionFormatFlag  = "collectionFormat"
@@ -154,6 +155,12 @@ var initFlags = []cli.Flag{
 		Value:   "csv",
 		Usage:   "Set default collection format",
 	},
+	&cli.StringFlag{
+		Name:    regexTagsFlag,
+		Aliases: []string{"rt"},
+		Value:   "",
+		Usage:   "A tag use the regex pattern to find the tag which match the pattern",
+	},
 }
 
 func initAction(ctx *cli.Context) error {
@@ -200,6 +207,7 @@ func initAction(ctx *cli.Context) error {
 		ParseGoList:         ctx.Bool(parseGoListFlag),
 		Tags:                ctx.String(tagsFlag),
 		PackageName:         ctx.String(packageName),
+		RegexTags:           ctx.String(regexTagsFlag),
 		Debugger:            logger,
 		CollectionFormat:    collectionFormat,
 	})

gen/gen.go

@@ -132,6 +132,9 @@ type Config struct {
 
 	// CollectionFormat set default collection format
 	CollectionFormat string
+
+	// search the tags base on the regex pattern
+	RegexTags string
 }
 
 // Build builds swagger json file  for given searchDir and mainAPIFile. Returns json.
@@ -183,6 +186,7 @@ func (g *Gen) Build(config *Config) error {
 		swag.ParseUsingGoList(config.ParseGoList),
 		swag.SetTags(config.Tags),
 		swag.SetCollectionFormat(config.CollectionFormat),
+		swag.SetRegexTags(config.RegexTags),
 	)
 
 	p.PropNamingStrategy = config.PropNamingStrategy

go.mod

@@ -4,8 +4,8 @@ go 1.18
 
 require (
 	github.com/KyleBanks/depth v1.2.1
-	github.com/go-openapi/spec v0.20.4
-	github.com/stretchr/testify v1.7.0
+	github.com/go-openapi/spec v0.20.8
+	github.com/stretchr/testify v1.8.2
 	github.com/urfave/cli/v2 v2.3.0
 	golang.org/x/tools v0.7.0
 	sigs.k8s.io/yaml v1.3.0
@@ -14,19 +14,22 @@ require (
 require (
 	github.com/PuerkitoBio/purell v1.1.1 // indirect
 	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	github.com/cpuguy83/go-md2man v1.0.10 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/go-openapi/jsonpointer v0.19.5 // indirect
-	github.com/go-openapi/jsonreference v0.19.6 // indirect
-	github.com/go-openapi/swag v0.19.15 // indirect
+	github.com/go-openapi/jsonpointer v0.19.6 // indirect
+	github.com/go-openapi/jsonreference v0.20.2 // indirect
+	github.com/go-openapi/swag v0.22.3 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
-	github.com/mailru/easyjson v0.7.6 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/russross/blackfriday v1.5.2 // indirect
 	github.com/russross/blackfriday/v2 v2.0.1 // indirect
 	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
+	github.com/swaggo/cli v1.22.2 // indirect
 	golang.org/x/net v0.8.0 // indirect
 	golang.org/x/sys v0.6.0 // indirect
 	golang.org/x/text v0.8.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -5,6 +5,8 @@ github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tN
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF22jk=
+github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
@@ -14,16 +16,26 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
 github.com/go-openapi/jsonpointer v0.19.5 h1:gZr+CIYByUqjcgeLXnQu2gHYQC9o73G2XUeOFYEICuY=
 github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
+github.com/go-openapi/jsonpointer v0.19.6 h1:eCs3fxoIi3Wh6vtgmLTOjdhSpiqphQ+DaPn38N2ZdrE=
+github.com/go-openapi/jsonpointer v0.19.6/go.mod h1:osyAmYz/mB/C3I+WsTTSgw1ONzaLJoLCyoi6/zppojs=
 github.com/go-openapi/jsonreference v0.19.6 h1:UBIxjkht+AWIgYzCDSv2GN+E/togfwXUJFRTWhl2Jjs=
 github.com/go-openapi/jsonreference v0.19.6/go.mod h1:diGHMEHg2IqXZGKxqyvWdfWU/aim5Dprw5bqpKkTvns=
+github.com/go-openapi/jsonreference v0.20.0/go.mod h1:Ag74Ico3lPc+zR+qjn4XBUmXymS4zJbYVCZmcgkasdo=
+github.com/go-openapi/jsonreference v0.20.2 h1:3sVjiK66+uXK/6oQ8xgcRKcFgQ5KXa2KvnJRumpMGbE=
+github.com/go-openapi/jsonreference v0.20.2/go.mod h1:Bl1zwGIM8/wsvqjsOQLJ/SH+En5Ap4rVB5KVcIDZG2k=
 github.com/go-openapi/spec v0.20.4 h1:O8hJrt0UMnhHcluhIdUgCLRWyM2x7QkBXRvOs7m+O1M=
 github.com/go-openapi/spec v0.20.4/go.mod h1:faYFR1CvsJZ0mNsmsphTMSoRrNV3TEDoAM7FOEWeq8I=
+github.com/go-openapi/spec v0.20.8 h1:ubHmXNY3FCIOinT8RNrrPfGc9t7I1qhPtdOGoG2AxRU=
+github.com/go-openapi/spec v0.20.8/go.mod h1:2OpW+JddWPrpXSCIX8eOx7lZ5iyuWj3RYR6VaaBKcWA=
 github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
 github.com/go-openapi/swag v0.19.15 h1:D2NRCBzS9/pEY3gP9Nl8aDqGUcPFrwG2p+CNFrLyrCM=
 github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
+github.com/go-openapi/swag v0.22.3 h1:yMBqmnQ0gyZvEb/+KzuWZOXgllrXT4SADYbvDaXHv/g=
+github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14=
 github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
 github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -32,19 +44,32 @@ github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63/go.mod h1:C1wdFJiN
 github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/mailru/easyjson v0.7.6 h1:8yTIVnZgCoiM1TgqoeTl+LfU5Jg6/xL3QhGQnimLYnA=
 github.com/mailru/easyjson v0.7.6/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
+github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
+github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/russross/blackfriday v1.5.2 h1:HyvC0ARfnZBqnXwABFeSZHpKvJHJJfPz81GNueLj0oo=
+github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/swaggo/cli v1.22.2 h1:HcOuWl50wxecZWnAA3eIrf2XcOki3XeRK7HljCzP9Vg=
+github.com/swaggo/cli v1.22.2/go.mod h1:mod7cSpILRjdhkgSKDd1HJFDMN4hopy6uH5pkXELHkM=
 github.com/urfave/cli/v2 v2.3.0 h1:qph92Y649prgesehzOrQjdWyxFOp/QVM+6imKHad91M=
 github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
 golang.org/x/mod v0.9.0 h1:KENHtAZL2y3NLMYZeHY9DW8HW8V+kQyJsY/V9JlKvCs=
@@ -67,12 +92,15 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=
 sigs.k8s.io/yaml v1.3.0/go.mod h1:GeOyir5tyXNByN85N/dRIT9es5UQNerPYEKK56eTBm8=

parser.go

@@ -15,6 +15,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"reflect"
+	"regexp"
 	"sort"
 	"strconv"
 	"strings"
@@ -170,6 +171,9 @@ type Parser struct {
 
 	// tags to filter the APIs after
 	tags map[string]struct{}
+
+	// regex tags pattern
+	tagsRegex *regexp.Regexp
 }
 
 // FieldParserFactory create FieldParser.
@@ -285,6 +289,23 @@ func SetTags(include string) func(*Parser) {
 	}
 }
 
+func SetRegexTags(tagRegex string) func(*Parser) {
+	return func(p *Parser) {
+
+		if tagRegex == "" {
+			return
+		}
+
+		regex, err := regexp.Compile(tagRegex)
+
+		if err != nil {
+			return
+		}
+
+		p.tagsRegex = regex
+	}
+}
+
 // SetParseExtension parses only those operations which match given extension
 func SetParseExtension(parseExtension string) func(*Parser) {
 	return func(p *Parser) {
@@ -867,15 +888,24 @@ func getTagsFromComment(comment string) (tags []string) {
 }
 
 func (parser *Parser) matchTags(comments []*ast.Comment) (match bool) {
-	if len(parser.tags) != 0 {
+	if len(parser.tags) != 0 || parser.tagsRegex != nil {
 		for _, comment := range comments {
 			for _, tag := range getTagsFromComment(comment.Text) {
-				if _, has := parser.tags["!"+tag]; has {
-					return false
+				if parser.tagsRegex != nil {
+					if parser.tagsRegex.MatchString(tag) {
+						match = true
+					}
 				}
-				if _, has := parser.tags[tag]; has {
-					match = true // keep iterating as it may contain a tag that is excluded
+
+				if len(parser.tags) != 0 && !match {
+					if _, has := parser.tags["!"+tag]; has {
+						return false
+					}
+					if _, has := parser.tags[tag]; has {
+						match = true // keep iterating as it may contain a tag that is excluded
+					}
 				}
+
 			}
 		}
 		return