Softanza
StartFrançais
Softanza
StartFrançais
Reference · stzString

IsLowercaseOf()

TRUE if the string is the lowercase form of the given one.

Basic examples (2)

Softanza
# in itself
? Q("date").IsLowercase()
# ... and of DATE
? Q("date").IsLowercaseOf("DATE")
Output
1
1

run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 652_islowercase.ring(opens in a new tab)

Softanza
# DER FLUSS lowers to der fluss
? Q("DER FLUSS").LowercasedInLocale("de-DE")
# the eszett round-trip stays FALSE (documented limitation)
? Q("der fluß").IsLowercaseOfXT("DER FLUSS", :InLocale = "de-DE")
Output
der fluss
0

run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 659_logical_error_in_qt_revist_after_fixing_stzlocale.ring(opens in a new tab)

The extensions of this method

Each extension, and whether it exists for this method; an extension that exists combines with the others (FindSTCS).

Extension
Exists
What it adds · The names
Q
no
does what the method does, then returns the object, so the call can be chained
QQ
no
chains on the next, more specific type of object (the Q ladder)
QQQ
no
chains on the most specific type of object (the Q ladder)
QRT
no
returns the result as an object of the requested type
CS
no
takes a case-sensitivity flag
ST
no
takes the position to start from (StartingAt)
IB
no
takes bounds that are included (IncludingBounds)
XT
yes
the extended form: more parameters than the base method · IsLowercaseOfXT
XTT
no
yet another extension: a further extended form, after XT
Z
no
includes the position in what it returns
ZZ
no
returns positions as sections, [start, end]
W
no
selects by a condition
WF
no
selects by a condition, with the expressive keywords (@NextItem, @PreviousItem...)
D
no
takes a direction, forward or backward (Directional)
F
no
takes a function (the condition or the update is given as a function); the forms document also uses F for the future form, which defers the action
Many
no
works on a collection of items instead of one (the plural form)
Except
no
takes exceptions, what to leave out (the exceptional form)
U
no
returns the result without duplication

Every example is a test file of the library, run inside the library for this page; only those whose output kept every promise their file wrote are shown.

See also