Is Romper a Regular Verb?

The verb romper (conjugation) is irregular only in its past participle.

What type of verb is romper?

The Spanish verb romper means 'to break' and is a regular Spanish ER verb, all except for its past participle.

Are rompers reflexive verbs?

This can be seen in the first example, where the most common definition of romper is "to break." So we can think of romperse (romper plus the reflexive pronoun se) as meaning "to break itself," (The translation "to be broken" might also be used.)