How to parse a given key-value parameters string?

Question

I have this string:

Parameter1="Something related to this" Parameter2="Another value" Parameter3='Single quotes are permitted' Parameter4="Even HTML entities are permitted"

I want to get this list:

Parameter1=Something related to this
Parameter2=Another value
Parameter3=Single quotes are permitted
Parameter4=Even HTML entities are permitted

I tried this regex. But it's not working:

(\w+)=(('|"|&quot;)).*(('|"|&quot;))

How can I parse this string and extract key-value pairs?

Seems that it's not getting the &quote; in C#. I tested in RegexHero. — Ali EXE
– Ali EXE, Commented May 20, 2022 at 7:27
There is no &quote; entity, there is only ". You have a typo in the sample string. — Wiktor Stribiżew
– Wiktor Stribiżew, Commented May 20, 2022 at 7:32

Wiktor Stribiżew · Accepted Answer · 2022-05-20 07:44:48Z

3

You can use

(\w+)=(['"]|&quot;)(.*?)\2

See the regex demo. Details:

(\w+) - Group 1: one or more word chars
= - an equals sign
(['"]|") - Group 2: ', " or "
(.*?) - Group 3: any zero or more chars other than an LF char as few as possible
\2 - Group 2 value.

answered May 20, 2022 at 7:44

Wiktor Stribiżew

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