Url regular parsing error : java.lang.IllegalArgumentException: integer expected at position 2

[muyuanjin]

Your Environment(您的使用环境)

spring-boot-web 2.7.11

• smart-doc version: 2.6.9
• plugin version : smart-doc-maven-plugin 2.6.9
• build tool version(maven or gradle): maven 3.8.1

Expected Behavior(您期望的结果)

Current Behavior(当前结果)

[ERROR] 
java.lang.IllegalArgumentException: integer expected at position 2
    at dk.brics.automaton.RegExp.parseRepeatExp (Unknown Source)
    at dk.brics.automaton.RegExp.parseConcatExp (Unknown Source)
    at dk.brics.automaton.RegExp.parseInterExp (Unknown Source)
    at dk.brics.automaton.RegExp.parseUnionExp (Unknown Source)
    at dk.brics.automaton.RegExp.<init> (Unknown Source)
    at dk.brics.automaton.RegExp.<init> (Unknown Source)
    at com.mifmif.common.regex.Generex.createRegExp (Generex.java:117)
    at com.mifmif.common.regex.Generex.<init> (Generex.java:85)
    at com.mifmif.common.regex.Generex.<init> (Generex.java:76)
    at com.power.doc.utils.DocUtil.formatAndRemove (DocUtil.java:260)
    at com.power.doc.template.IRestDocTemplate.buildReqJson (IRestDocTemplate.java:774)
    at com.power.doc.template.IRestDocTemplate.buildEntryPointMethod (IRestDocTemplate.java:423)
    at com.power.doc.template.IRestDocTemplate.processApiData (IRestDocTemplate.java:65)
    at com.power.doc.template.SpringBootDocBuildTemplate.getApiData (SpringBootDocBuildTemplate.java:54)
    at com.power.doc.builder.HtmlApiDocBuilder.buildApiDoc (HtmlApiDocBuilder.java:90)
    at com.smartdoc.mojo.HtmlMojo.executeMojo (HtmlMojo.java:48)
    at com.smartdoc.mojo.BaseDocsGeneratorMojo.execute (BaseDocsGeneratorMojo.java:165)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (Unknown Source)
    at java.lang.reflect.Method.invoke (Unknown Source)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
    at org.codehaus.classworlds.Launcher.main (Launcher.java:47)

Possible Solution(bug解决建议)

Steps to Reproduce (Bug产生步骤，请尽量提供用例代码)

1. my controller look like :
   org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController

@Controller
@RequestMapping("${server.error.path:${error.path:/error}}")
public class BasicErrorController extends AbstractErrorController {

2. maven debug:

com.power.doc.utils.DocUtil#formatAndRemove("/demo-prototype/${server.error.path:${error.path:/error}}",emptyMap)
line 260: Generex generex =  new Generex("${error.path")

Context(Bug影响描述)

unable to output doc

[shalousun]

@muyuanjin Welcome to contribute by submitting a pull request (PR)