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Continue to ChatQuery : What programming language are the % characters in URLs? Just curious what language these characters in a URL are from? For example:force_name=1&name=Tom%20 which is a space. https://vmapp.org/query/124860/What-Programming-Language-Are-The-Characters-In-URLs-Just-Curious-What-Language-These-Characters-In-A-URL-Are-From-For-Example-Force-Name-1-Name-Tom-20-Which-Is-A-Space/