regex - find the value between quotes for a particular key

Question

From a string, I have to find the 'value' for a particular key(variable)
to find a regex pattern to find the value between the quotes.

keyx:'value1',keyn:'value2', keys....

like for keyn - the regex must return value2

It is not a json format. This string is extracted from an XML tag.

I have tried this regex (["'])(?:(?=(\?))\2.)*?\1 and trying to modify it to make it work for my scenario

How about: (?<=keyx:')[^']+(?=') ? ... assuming that the values would always be surrounded by single quotes. — Tim Biegeleisen
– Tim Biegeleisen, Commented Oct 23, 2018 at 14:16
What language are you using this in? If you split string by "," , then you could use something '.+' to match on each of the split bits — user3723506
– user3723506, Commented Oct 23, 2018 at 14:17
@Rashmirathi What if some of the values have commas inside them? — Tim Biegeleisen
– Tim Biegeleisen, Commented Oct 23, 2018 at 14:18
Possible duplicate of Regex to get string between curly braces "{I want what's between the curly braces}" — Poul Bak
– Poul Bak, Commented Oct 23, 2018 at 14:36

Poul Bak · Accepted Answer · 2018-10-23 15:08:38Z

You can use the following regex to your values:

key\w:'(.*?)'[, ]*?

You need to set the global flag.

The regex starts by mathing 'key' followed by a Word char, colon and a single quote, then creates a capture Group of everything between the single quotes, followed by a single quote, and zero or more commas and Spaces.

You get your value from Group 1. That will produce 'value1' and 'value2'.

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