regex101: .NET 10.0 (C#) Substitution Workspace

Non-Capturing Group(?:\[device name\]:\[?|\[name_of_device\]- |,)

1st Alternative\[device name\]:\[?

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

device namethe literal text device name (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\[?optionally matches the literal [ (91₁₀ / 133₈ / 5B₁₆)

2nd Alternative\[name_of_device\]-

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

name_of_devicethe literal text name_of_device (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

- the literal text -

3rd Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 1([^\],\r\n]*)

Negated Character Class[^\],\r\n]*

*matches any number of characters outside the set below:

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\ra carriage return (ASCII 13)

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

Positive Lookahead(?=.*\r?\n(?:[ \t]*\[.*\r?\n)*?[ \t]*\[(?:current software\]: |software_running\]- )(.*))

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

\r?optionally matches a carriage return (ASCII 13)

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

Non-Capturing Group(?:[ \t]*\[.*\r?\n)*?

*?repeats the group contents below any number of times:

Character Class[ \t]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

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

\r?optionally matches a carriage return (ASCII 13)

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

Character Class[ \t]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Non-Capturing Group(?:current software\]: |software_running\]- )

1st Alternativecurrent software\]:

current softwarethe literal text current software (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

: the literal text :

2nd Alternativesoftware_running\]-

software_runningthe literal text software_running (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

- the literal text -

Group 2(.*)

.*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

Search reference

Regular Expression

(?:\[device name\]:\[?|\[name_of_device\]- |,)([^\],\r\n]*)(?=.*\r?\n(?:[ \t]*\[.*\r?\n)*?[ \t]*\[(?:current software\]: |software_running\]- )(.*))

New

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. This is a list of all kinds of models, software, and release dates. See below for more details
{
    #device batch 1 info can be found below
    {
        [device name]:device_1
        [initial software]: SW$1_978qhuhk
        [current software]: sW98203_973
        [date] : 2022-01-05
    }
    {
        [device name]:[device_2, device_3]
        [initial software]: sW$3_jghs
        [current software]: sW$3_jghs2
        [date] : 2022-07-03
    }
#wifi devices can be found here
    {
        {
        "nested children":
            [device name]:[w_device_1, w_device_pro]
            [initial software]: 982637012_sw
            [current software]: 93834932_swp$
            [date] : 2024-02-01
         }
    {
    [name_of_device]- mesh_plus
    [installation_date]-2023-03-21
    [software_running]- mesh_sw_old
    }
    }
}