between_regexs

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

Description

Returns a string which is the subset of text 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 text, returns an empty string.

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

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

Arguments

text

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

For the following examples, assume that email.body contains:

This is red and that is blue and that is green.

Example 1: Return text between first match to start_pattern and first match to end_pattern

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

The above example will output:

red and that

Example 2: Return text between first match to start_pattern and last match to end_pattern (expanded flag)

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

The above example will output:

red and that is blue and that

Example 3: Return text between last match to start_pattern and last match to end_pattern (reverse flag)

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

The above example will output: