1
WordPress will serialize arrays when saving to post meta. The data stored under the key _employer_socials in your example looks like this:
Array
(
[0] => Array
(
[network] => facebook
[url] => #
)
[1] => Array
(
[network] => twitter
[url] => #
...
1
Is there a smart way to meta_query so it matches just "IS, but not
"TS-IS"?
The WordPress meta query class (WP_Meta_Query), which among others, is used with the posts (WP_Query) and users (WP_User_Query) query classes, supports REGEXP (since WordPress 3.7) as the compare value, so you could use that with a RegEx (regular expresion) pattern ...
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