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Bash ScriptsVariables & text

Replace every occurrence in a string

Substitute text directly with Bash parameter expansion.

replace✓ Tested
SQLExpressions & aggregates

Replace NULL in a result

Choose a fallback for a missing value.

COALESCE✓ Tested
PythonGetting Started

Replace one collection element

Python: Update an existing element at a known valid index.

Python✓ Tested
C#Getting Started

Replace one collection element

C#: Update an existing element at a known valid index.

C#✓ Tested
JavaGetting Started

Replace one collection element

Java: Update an existing element at a known valid index.

Java✓ Tested
JavaScriptGetting Started

Replace one collection element

JavaScript: Update an existing element at a known valid index.

JavaScript✓ Tested
TypeScriptGetting Started

Replace one collection element

TypeScript: Update an existing element at a known valid index.

TypeScript✓ Tested
C++Getting Started

Replace one collection element

C++: Update an existing element at a known valid index.

C++✓ Tested
CGetting Started

Replace one collection element

C: Update an existing element at a known valid index.

C✓ Tested
PowerShellText & data

Replace repeated whitespace

Normalize runs of whitespace to one space.

regex✓ Tested
PythonStrings & dates

Replace text in a string

Replace every occurrence of a substring and keep the result in a new string. The original string is unchanged.

string✓ Tested
C++Text validation & parsing

Replace text using captured regex groups

C++: Numbered replacement groups can rearrange a known two-part name.

C++✓ Tested