strings

relationalai.semantics.std

String manipulation functions.

This module provides a comprehensive set of string operations including:

String conversion and concatenation
Case conversion and whitespace handling
String splitting and substring extraction
Distance metrics
Pattern matching and searching
Regular expression matching

Functions

Functions exposed by this module.

string() Convert a value to a string representation.

concat() Concatenate multiple strings together.

join() Join a sequence of strings with a separator.

contains() Check whether substr is contained within s.

startswith() Check whether s starts with prefix.

endswith() Check whether s ends with suffix.

len() Get the length of the string s.

levenshtein() Compute the Levenshtein distance between two strings.

like() Check whether s matches the SQL LIKE pattern pattern.

lower() Convert the string s to lowercase.

upper() Convert the string s to uppercase.

replace() Replace occurrences of old with new in the string source.

split() Split the string s by separator, returning variables holding index and result.

split_part() Get the part of the string s at index after splitting by separator.

strip() Strip whitespace from both ends of the string s.

substring() Get the substring of s from start to stop (0-based, stop exclusive).

regex_match() Check if the value matches the given regex.

Referenced By

RelationalAI Documentation
└──  Build With RelationalAI
    └──  Understand how PyRel works > Use advanced reasoning > Rules-based reasoning
        └──  Work with strings
            └──  Understand string expressions