Regular Expression Functions

Overview

This Plug-in exposes Java Regular Expression string manipulation capabilities as Appian Functions. Very useful for validation rules and data manipulation on interactive SAIL forms.  

Key Features & Functionality

Datatypes provided:

• RegexMatch - has a string field representing the string found, a starting index for the string in the haystack and an ending index for the string in the haystack

Regex Flags supported:

• i - case insensitive
• g - find all matches
• m - multiline search
• s - treats the entire string as a single line
• u - unicode aware search
• x - ignores comments starting with '#' and white spaces
• d - enables unix line mode

Functions provided:

• regexSearch - Searches for the selected pattern with the specified regex options and returns a list of RegexMatch Datatypes, accepts all regex flags.
• regexArraySearchIndexOfFirstMatch - Searches an array for a match and returns the first index of match found
• regexMatch - Indicates whether the regular expression finds a match in the input string, accepts all regex flags.
• regexInsertMatchMarkers - Finds the match or matches and surrounds them with starting and ending markers, accepts all regex flags.
• regexFirstMatch - Returns the first match of the regular expression within the input string, accepts all regex flags except 'g'.
• regexAllMatches - Returns all matches of the regular expression within the input string, accepts all regex flags.
• regexReplaceAll - Replaces all matches of the regular expression within the input string