sub

relationalai.semantics.std.re

sub(regex: StringValue, repl: StringValue, value: StringValue) -> StringValue

Replace occurrences of the regex in the value with the replacement string.

Parameters

• regex

  (StringValue) - The regular expression pattern.

• repl

  (StringValue) - The replacement string.

• value

  (StringValue) - The string value to perform substitution on.

Returns

• Expression - An Expression computing the substituted string. Returns String.

Examples

Replace occurrences of a pattern in a string:

define(Text.new(content="The party starts at 8:00 PM or at 9:00 PM."))
re.sub(r"\d{1,2}:\d{2} [AP]M", "<??>", Text.content)
select(Text.content, re.sub(r"\d{1,2}:\d{2} [AP]M", "<??>", Text.content))