ReplaceAll()
Same as Replace: replace every occurrence of pcSubStr (mutating).
Basic examples (2)
# every @char becomes @item
? StzStringQ("@char___@char___@char").ReplaceAllQ("@char", "@item").Content()@item___@item___@item
run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 721_replaceall.ring(opens in a new tab)
o1 = new stzString("one two three four")
o1.ReplaceAll("two", "---")
# two became dashes
? o1.Content()one --- three four
run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 693_content.ring(opens in a new tab)
Scope (5)
o1 = new stzString("Tunis is the town of my memories.")
o1.ReplaceAll("Tunis", "Niamey")
# Niamey now
? o1.Content()Niamey is the town of my memories.
run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 790_content.ring(opens in a new tab)
o1 = new stzString("Tunis is the town of my memories.")
o1.ReplaceAllCS("TUNIS", "Niamey", :CS = FALSE)
# found despite the caps
? o1.Content()Niamey is the town of my memories.
run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 791_content.ring(opens in a new tab)
o1 = new stzString("اسمي هو فلانة، قلت لك فلانة! أوَ لم يعجبك أن يكون اسمي فلانة؟")
o1.ReplaceAll("فلانة", "فلسطين")
# all three replaced
? o1.Content()اسمي هو فلسطين، قلت لك فلسطين! أوَ لم يعجبك أن يكون اسمي فلسطين؟
run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 829_content.ring(opens in a new tab)
o1 = new stzString("Mon prénom c'est Foulèna. J'ai bien dit Foulèna! " +
"Où bien tu n'aimes pas que ce soit Foulèna?")
o1.ReplaceAll("Foulèna", "Tiba")
# all three replaced
? o1.Content()Mon prénom c'est Tiba. J'ai bien dit Tiba! Où bien tu n'aimes pas que ce soit Tiba?
run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 830_content.ring(opens in a new tab)
o1 = new stzString("Tunisia is back! People united.")
o1.ReplaceAll("People", "Tunisians")
# crowd renamed
? o1.Content()
# 3 to 7
? o1.Section(3, 7)
# 7 to 3, normalized
? o1.Section(7, 3)
# 3 to the end of its word
? o1.Section(:From = 3, :To = :EndOfWord)
# 12 to the end of its word (bang included)
? o1.Section(:From = 12, :To = :EndOfWord)
# 9 to the end of the sentence
? o1.Section(:From = 9, :To = :EndOfSentence)
# first char to end of string
? o1.Section(:From = :FirstChar, :To = :EndOfString)
o1.ReplaceFirst("Tunisia", :With = "Egypt")
o1.Replace("Tunisians", :With = "Egyptians")
# and a whole new country
? o1.Content()Tunisia is back! Tunisians united. nisia nisia nisia back! is back! Tunisians united. Tunisia is back! Tunisians united. Egypt is back! Egyptians united.
run on 2026-10-02 04:24 inside the library at commit 0e72e2e2c; taken from 793_content.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).
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
- The class stzString
- The area's reference: String
- The other methods in these examples: stzString.Replace · stzString.ReplaceFirst · stzString.Section

