grex

Generate regular expressions. More information: https://github.com/pemistahl/grex.

• Generate a simple regular expression:

grex space_separated_strings

• Generate a case-insensitive regular expression:

grex -i space_separated_strings

• Replace digits with ‘\d’:

grex -d space_separated_strings

• Replace Unicode word character with ‘\w’:

grex -w space_separated_strings

• Replace spaces with ‘\s’:

grex -s space_separated_strings

• Add {min, max} quantifier representation for repeating sub-strings:

grex -r space_separated_strings