How would you create a regex that all the strings contain the following:

Regex1. All strings containing 'abc'

Sample valid: abc, hdgabcjs, nabc, *&abc

Sample invalid: cdb, mabnndc, a-b-c.

Regex2. All strings containing 3 consecutive digits

Sample valid: abc123, 123bcd, 123, bc789de, 713, bcd826bd

Sample invalid: 321abcd, 6-54, *45bc9, 21

Regex3. All strings containing 3 non-consecutive digits

Sample valid: m8h2b6, 3m5nhhg9, abc8jd7dss2

Sample invalid: 764, ab, a2b5, abc123, 123bcd, 123, bc789de, 713, bcd826bd