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I am trying to match my input field to a regex expression. But it gives mule-expression error,

regex: ^(?:[1-9][0-9]?(?:\.[0-9]{2})?|100(?:\.0{2})?)$

Exception: Unable to resolve reference of $. at 1 : 1"

evaluating expression: Please help me in resolving this issue

HMT
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1 Answers1

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Please add "\" before $ and it will work

MKG
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