Problem: How to allow comma to view's number field filter
Solution: You can use view's filter hook wpv_filter_query to modify the view's query on fly and adjust it as per your requirement by hooking custom query filters to it.
You can find proposed solution, in this case, with the following reply: https://toolset.com/forums/topic/number-field-for-price-on-properties-views-filter-not-sorting-properly/#post-612098
Relevant Documentation: https://toolset.com/documentation/programmer-reference/views-filters/#wpv_filter_query
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