groovyshell - Syntax error in removing bad character in groovy -

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hello have string a= " $ 2 187.00" . tried removing white spaces , bad characters a.replaceall("\\s","").replace("$","") . getting error impossible parse json response: syntaxerror: json.parse: bad escaped character how remove bad character in expression value becomes 2187.00.kindly me .thanks in advance

def = ' $ 2 187.00' a.replaceall(/\s/,"").replaceall(/\$/,"")  // or a.replaceall(/[\s\$]/,"")

it should return 2187.00.

note

  1. that $ has special meaning in double quoted strings literals "" , called gstring.
  2. in groovy, can user regex literal, using better using regex multiple escape sequences in string.

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