grex

Command-line tool for generating regular expressions from user-provided test cases

Options

Name	Description
`-d,--digits`	Converts any Unicode decimal digit to \d
`-D,--non-digits`	Converts any character which is not a Unicode decimal digit to \D
`-s,--spaces`	Converts any Unicode whitespace character to \s
`-S,--non-spaces`	Converts any character which is not a Unicode whitespace character to \S
`-w,--words`	Converts any Unicode word character to \w
`-W,--non-words`	Converts any character which is not a Unicode word character to \W
`-r,--repetitions`	Detects repeated non-overlapping substrings and converts them to {min,max} quantifier notation
`-e,--escape`	Replaces all non-ASCII characters with unicode escape sequences
`--with-surrogates`	Converts astral code points to surrogate pairs if --escape is set
`-i,--ignore-case`	Performs case-insensitive matching, letters match both upper and lower case
`-g,--capture-groups`	Replaces non-capturing groups by capturing ones
`-c,--colorize`	Provides syntax highlighting for the resulting regular expression
`-h,--help`	Prints help information
`-v,--version`	Prints version information
`-f,--file <command>`	Reads test cases on separate lines from a file
`--min-repetitions <command>`	Specifies the minimum quantity of substring repetitions to be converted if --repetitions is set [default: 1]
`--min-substring-length <command>`	Specifies the minimum length a repeated substring must have in order to be converted if --repetitions is set [default: 1]