i wish to replace/substitute "[", "]" with " " in string received below
""param":[{"key1":"value1","key2":"value2"}, {"key3":"value3","key4":"value4"}]"
substitute(""param":[{"key1":"value1","key2":"value2"}, {"key3":"value3","key4":"value4"}]","["," ")
substitute(""param":[{"key1":"value1","key2":"value2"}, {"key3":"value3","key4":"value4"}]","]"," ")
I am receiving the below error
can someone help me understand the error here.
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