Unscramble Eregx

What is the meaning of word eregx unscrambled?

What 5 letter words can be made from letters E R E G 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 R E G 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 regx
2) Removing the letter R and unscrambling eegx
3) Removing the letter E and unscrambling ergx
4) Removing the letter G and unscrambling erex
5) Removing the letter X and unscrambling ereg

More anagrams containing the letters E R E G X
erexg ergex egxre gerxe