"Regular cucumbers" refers to cucumbers that are typically found in most places, and are different from specialized or unique types of cucumbers. Full definition
I tried it with regular cucumbers and it was a soggy mess... still tasted fine, but not a pretty! (skinnytaste.com)
Cut cucumbers into thin diagonal slices (if using regular cucumbers, peel and seed before slicing). (great-eastern-sun.com)
julienned), kohlrabi (julienned — my «new» veggie — just tried it from CSA last week; perfect in this salad), green / yellow beans, and a little regular cucumber. (smittenkitchen.com)