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Reference · stzString

InsertBefore()

Insert pcSubStr BEFORE position n -- or before the given anchor substring (mutating).

also: put before prepend at inject ahead of

Basic examples (2)

Softanza
o1 = new stzString("123456789")
o1.InsertBefore([4, 7], "_")
# underscores land before positions 4 and 7
? o1.Content()
Output
123_456_789

run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 309_content.ring(opens in a new tab)

Softanza
o1 = new stzString("Hello dear!")
o1.InsertBefore("my ", "dear")
# my before dear
? o1.Content()
o1.InsertAfter(" friend", "dear")
# friend after dear
? o1.Content()
Output
Hello my dear!
Hello my dear friend!

run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 912_content.ring(opens in a new tab)

Scope (1)

Softanza
o1 = new stzString("ACD")
o1.Insert("B", :BeforePosition = 2)
# substring-first form
? o1.Content()
o2 = new stzString("ACD")
o2.InsertBefore( :Position = 2, :SubString = "B")
# position-first form
? o2.Content()
o2.Insert("B", 2)
o2.InsertBefore(2, "B")
# the short forms stack
? o2.Content()
Output
ABCD
ABCD
ABBBCD

run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from from_list_361_pr.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
yes
does what the method does, then returns the object, so the call can be chained · InsertBeforeQ
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
no
the extended form: more parameters than the base method
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