Irregular

0.5.1

RegEx/JSON/PropertyName.regex.txt

                                # A property within a JSON string

(?:         # Match but don't store:

[\{\,]      # A bracket or comma

\s{0,}      # Optional Whitespace

"           # the opening quote

)            

(?<Name>    # Capture the Name, which is:

.+?         # Anything until...

(?=(?<!\\)")# a closing quote (as long as it's not preceeded by a \) 

)

(?:         # Match but don't store:

"\s{0,}     # a double-quote, optional whitespace:

)

(?=\:)      # Look ahead to see that we're followed by a :, but don't include it in the match.