regex101: PCRE (Legacy) Substitution Workspace

^start of line

Group 1(\s*"Version"\s*:\s*")

\s*any whitespace character, repeated any number of times

"Version"the literal text "Version" (case sensitive)

\s*any whitespace character, repeated any number of times

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\s*any whitespace character, repeated any number of times

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

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*"Version"\s*:\s*")[^"]*

New

{
        "FramewokSettings": {
            "Name": "VX",
            "Version": "8",  // The value here is not constant. It can be something like v1.4.56.456 also
            "GitVersion": "v5",
            "DatabaseVersion": "7",
            // Doing xyz 
            "CounterVersion": "2"
            // Doing ABC. 
            // Start
         }
}

Substitution

${1}10

{
        "FramewokSettings": {
            "Name": "VX",
            "Version": "8",  // The value here is not constant. It can be something like v1.4.56.456 also
            "GitVersion": "v5",
            "DatabaseVersion": "7",
            // Doing xyz 
            "CounterVersion": "2"
            // Doing ABC. 
            // Start
         }
}