Exception in thread "main" java.lang.StackOverflowError
at java.util.regex.Pattern$GroupTail.match(Pattern.java:4218)
at java.util.regex.Pattern$Curly.match1(Pattern.java:3797)
at java.util.regex.Pattern$Curly.match(Pattern.java:3746)
at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
正则匹配时候栈溢出,解决方式:查看正则,优化正则。