between_regexs

Returns a string which is the subset of haystack between the match to the regular expression start_pattern and the match to the regular expression end_pattern and not including either matched pattern themselves.

If no matches to start_pattern are present in `haystack`, returns an empty string.

If no matches to end_pattern are present in `haystack`, returns an empty string.

If start_pattern or end_pattern is empty or is an invalid regular expression, throws an exception.

Usage

{{between_regexs haystack pattern flags="t"}}

Arguments

haystack
The input string.

start_pattern
A valid regular expression.

end_pattern
A valid regular expression.

flags

• r: split text at last match to start_pattern and last match to end_pattern instead of the first matches
• x: expand located text: use the first match to start_pattern and the last match to end_pattern
• t: trim the final result prior to returning (remove all whitespace from beginning and end)

Examples

Return text between first match of start_pattern and first match of end_pattern (assuming email.body contains "This is red and that is blue and that is green.")

{{between_regexs email.body '/is/' '/is/' flags='t'}}

red and that

Return text between first match of start_pattern and last match of end_pattern (assuming email.body contains "This is red and that is blue and that is green.")

{{between_regexs email.body '/is/' '/is/' flags='tx'}}

red and that is blue and that

Return text between last match of start_pattern and last match of end_pattern (assuming email.body contains "This is red and that is blue and that is green.")

{{between_regexs email.body '/is/' '/is/' flags='tr'}}