Unscramble Egrex

What is the meaning of word egrex unscrambled?

What 5 letter words can be made from letters E G R E X:

1. regex - Definition of regex

Make more words by adding or removing letters

How many 4 letter words can you make from letters E G R E X?

1. eger - Definition of eger

2. gree - Definition of gree

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter E and unscrambling grex
2) Removing the letter G and unscrambling erex
3) Removing the letter R and unscrambling egex
4) Removing the letter E and unscrambling egrx
5) Removing the letter X and unscrambling egre

More anagrams containing the letters E G R E X
egrxe egxer egxer rgexe