Filters and Regular Expressions (22)

Regexp		Matches
`abc`		the string of letters `"abc"` E.g. `abc`
`a.c`		strings of letters containing `'a'` followed by `'c'` with any single character in between E.g. `abc, aac, acc, aXc, a2c, ...`
`ab*c`		strings of letters containing `'a'` followed by `'c'` with any number of `'b'` letters in between E.g. `ac, abc, abbc, abbbc, ...`
`a\|the`		either the string `"a"` or the string `"the"` E.g. `a, an, bad, the, then, other, ...`
`[a-z]`		any single lower-case letter E.g. `a, b, c, ... z`