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Preface

Virtuoso Functions Guide

Administration
Aggregate Functions
Array Manipulation
BPEL APIs
Backup
Compression
Cursor
Date & Time Manipulation
Debug
Dictionary Manipulation
Encoding & Decoding
File Manipulation
Free Text
Hashing / Cryptographic
LDAP
Locale
Mail
Miscellaneous
Number
Remote SQL Data Source
Replication
SOAP
SQL
String
Transaction
Type Mapping
UDDI
User Defined Types & The CLR
Virtuoso Java PL API
Virtuoso Server Extension Interface (VSEI)
Web Server & Internet
XML
XPATH & XQUERY
and
append
assign
avg
boolean
ceiling
concat
contains
count
create-attribute
create-comment
create-element
create-pi
current
distinct
doc
document
document-literal
empty
ends-with
every
except
false
filter
floor
fn:collection
for
format-number
function-available
generate-id
id
if
intersect
is_after()
is_before()
key
lang
last
let
list()
local-name
max
min
name
namespace-uri
normalize-space
not
number
or
position
processxquery
processxslt
processxsql
progn()
replace()
round
serialize
shallow
some
starts-with
string
string-length
substring
substring-after
substring-before
sum
system-property
text_contains()
translate
true
tuple()
union
unordered
unparsed-entity-uri
urlify
xmlview

Functions Index

normalize-space

Returns the argument string with whitespace normalized.
string normalize-space ([strg string]);
Description

The function returns the argument string with whitespace normalized by stripping leading and trailing whitespace and replacing sequences of whitespace characters by a single space. Whitespace characters are the same as those allowed by the S production in XML, i.e. space (#x20), carriage returns (#xD), line feeds (#xA), and tabs (#x9). If the argument is omitted, it defaults to the context node converted to a string, in other words the string-value of the context node.

Parameters
strg – A string to be normalized
Return Types

Examples
normalize-space('    too     many   spaces    ')