​ Inputs

• String - sequence of characters

• Pattern - sequence of characters representing the regular expression

  • Example to match the start of a string: "^Hello"

  • Example to match the end of a string: "Bye$"

  • Example to match an exact word: "word"

  • Example to match an alphanumeric sequence: "[a-zA-Z0-9]*"

  • Example to match 3 to 6 digits: "[0-9]{3,6}"

  • Example to match a pattern with an optional preceding letter: "[c]?art"

  • Example to match character groups: "(c|m|h)at"

• Global - search for all non-overlapping matches

• Multiline - match on each line separated by the newline character of the string input

• Case Insensitive - match on the lowercase version of the string input

• Match Dot to All Characters - match the dot character to all characters, including newline character

​ Outputs

Create variables for:

• Has Match - boolean indicating whether a match was found with the specified pattern

• Matches Found - list of matches found

• Indices of Matches Found - list of indices for each match found

• Captured Groups - list of captured groups for each match found