Quantifier error

[InitusJames]

##[error]System.ArgumentException: parsing "*.json" - Quantifier {x,y} following nothing.
at System.Text.RegularExpressions.RegexParser.ScanRegex()
at System.Text.RegularExpressions.RegexParser.Parse(String re, RegexOptions op)
at System.Text.RegularExpressions.Regex..ctor(String pattern, RegexOptions options, TimeSpan matchTimeout, Boolean useCache)
at System.Text.RegularExpressions.Regex..ctor(String pattern, RegexOptions options)
at System.Management.Automation.ParserOps.NewRegex(String patternString, RegexOptions options)
at System.Management.Automation.ParserOps.MatchOperator(ExecutionContext context, IScriptExtent errorPosition, Object lval, Object rval, Boolean notMatch, Boolean ignoreCase)
at System.Management.Automation.Interpreter.FuncCallInstruction`7.Run(InterpretedFrame frame)
at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame)

[cedricfortin]

I came across the exact same error, simply omit the * character, just type .json