Reference

Strips leading and trailing whitespace from a string and collapses all internal whitespace sequences to a single space character.

Applies Unicode normalization (NFC, NFD, NFKC, NFKD, or FULLY-NORMALIZED) to a string, ensuring a canonical character representation.

Returns true if its boolean argument is false, and false if it is true — the logical negation of a boolean expression.

Converts a string, boolean, or node-set to a number following XPath 1.0 type-conversion rules, returning NaN if the conversion fails.

Parses a well-balanced XML fragment string and returns it as a document node, allowing multiple top-level nodes.

Parses a well-formed XML string and returns it as a new document node, usable like any other loaded XML document.

Returns the position of the context node within the current node-set, starting at 1.

Constructs an xs:QName value from a namespace URI and a lexical qualified name string.

Returns a deterministic pseudo-random number generator as a map, optionally seeded for reproducible results.

Returns the string matched by a numbered capture group of the current regex match inside xsl:analyze-string.