Selection functions

Reference documentation for Expressif functions in the text/selection scope.

Name	Overview
after-substring	Returns the substring of the argument string, containing all the characters immediately following the first occurrence of the string passed in parameter. If the parameter value is null or empty then the argument value is returned.
before-substring	Returns the substring of the argument string, containing all the characters immediately preceding the first occurrence of the string passed in parameter. If the parameter value is null or empty then the function returns empty.
first-chars	Returns the first chars of the argument value. The length of the string returned is maximum the parameter value, if the argument string is smaller then the full string is returned.
last-chars	Returns the last chars of the argument value. The length of the string returned is maximum the parameter value, if the argument string is smaller then the full string is returned.
skip-first-chars	Returns the last chars of the argument value. The length of the string omitted at the beginning of the argument value is equal to the parameter value. If the length of the argument value is smaller or equal to the parameter value then the functions returns empty.
skip-last-chars	Returns the first chars of the argument value. The length of the string omitted at the end of the argument value is equal to the parameter value. If the length of the argument value is smaller or equal to the parameter value then the functions returns empty.