import Foundation
let pattern = ##"""
# From object name = value
( # (1 start)
" \s* \w+ \s* " \s* :
(?! \s* " ) # not a string
(?! # not a number
\s* \d+ \s*
(?: , | \] | } )
)
(?! \s* [{\[] ) # not a object or array
(?! # not true,false or null
\s*
(?: true | false | null )
\s*
(?: , | \] | } )
)
\s*
) # (1 end)
( .+? ) # (2)
(?= [,}] )
"""##
let regex = try! NSRegularExpression(pattern: pattern, options: .allowCommentsAndWhitespace)
let testString = #"""
{"Id": "2017",
"Currency": "AUD",
"Date": 2020-06-22,
"InCash": 0.000,
"Dep": "ABC90",
"sdf" : 739,
"sumCash": 770.87,
"AnotherDate": 2020-06-21}
"""#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
let substitutionString = #"$1"$2""#
let result = regex.stringByReplacingMatches(in: testString, range: stringRange, withTemplate: substitutionString)
print(result)
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression