Use capturing groups
Convert digits to \d
Escape non-ASCII characters
Ignore capitalization
Convert repeated substrings to {min,max}
Convert whitespace to \s
Multi-line output
Convert any Unicode word character to \w
Use capturing groups
Convert digits to \d
Escape non-ASCII characters
Ignore capitalization
Convert repeated substrings to {min,max}
Convert whitespace to \s
Multi-line output
Convert any Unicode word character to \w