regex101: Python Substitution Workspace

Pro

^start of line

Group 1([^"\s=]+)

Negated Character Class[^"\s=]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\sa Unicode whitespace character

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group 2('{[\s\S]*?\n}'|.*)

1st Alternative'{[\s\S]*?\n}'

'{the literal text '{

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sa Unicode whitespace character

\Sany character that is not Unicode whitespace

\na line-feed (newline) character (ASCII 10)

}'the literal text }'

2nd Alternative.*

.*any Unicode character (except for line terminators), repeated any number of times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

25 tokens

Regular Expression

^([^"\s=]+)=('{[\s\S]*?\n}'|.*)

New

# IN TOTAL, THE REGEX SHOULD MATCH 4 KEY-VALUE PAIRS FROM THIS FILE.
KEY1='{
    "string" = {
        "key" = "value",
        "key" = "value"
    },
    "string" = {
        "key" = "value",
        "key" = "value"
    }
}'

# DO NOT MATCH ON COMMENTS, EVEN THOSE WITH X=Y in them.

# ALSO IGNORE THIS COMMENT, AND NEW LINES AROUND.

KEY2=SOME_TEXT
KEY3="SOME_MORE_TEXT"
KEY4='EVEN_MORE_TEXT'

Substitution

PREFIX_\1: \2

# IN TOTAL, THE REGEX SHOULD MATCH 4 KEY-VALUE PAIRS FROM THIS FILE.
KEY1='{
    "string" = {
        "key" = "value",
        "key" = "value"
    },
    "string" = {
        "key" = "value",
        "key" = "value"
    }
}'

# DO NOT MATCH ON COMMENTS, EVEN THOSE WITH X=Y in them.

# ALSO IGNORE THIS COMMENT, AND NEW LINES AROUND.

KEY2=SOME_TEXT
KEY3="SOME_MORE_TEXT"
KEY4='EVEN_MORE_TEXT'