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Results for “substring”

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JavaScriptStrings

Check for a substring

Perform a case-sensitive JavaScript substring check.

JavaScript✓ Tested
PowerShellStrings & literal text

Extract a known substring

PowerShell: Substring uses a zero-based starting index and a character count.

PowerShell✓ Tested
Bash ScriptsParameter expansion

Extract a substring by offset and length

Bash Scripts: Bash substring offsets start at zero for an ordinary string.

Bash Scripts✓ Tested
C++Text validation & parsing

Extract a substring with an explicit count

C++: The second substr argument is a length rather than an ending index.

C++✓ Tested
C#Text validation & encoding

Extract a substring with range syntax

C#: C# range ends are exclusive; indices operate on UTF-16 code units.

C#✓ Tested
C++Strings

Find a substring

Check the result of std::string::find against npos.

C++✓ Tested
CStrings

Find a substring

Use strstr to find a literal substring in a C string.

C✓ Tested
C++Text validation & parsing

Inspect a substring without allocating a copy

C++: A string_view refers to existing storage and must not outlive that storage.

C++✓ Tested
SQLText cleanup & matching

Replace a literal substring

SQL: REPLACE performs a literal replacement rather than a regular-expression substitution.

SQL✓ Tested
SQL ServerText cleanup & matching

Replace a literal substring

SQL Server: REPLACE performs a literal replacement rather than a regular-expression substitution.

SQL Server✓ Tested
PostgresText cleanup & matching

Replace a literal substring

Postgres: REPLACE performs a literal replacement rather than a regular-expression substitution.

Postgres✓ Tested
SQLiteText cleanup & matching

Replace a literal substring

SQLite: REPLACE performs a literal replacement rather than a regular-expression substitution.

SQLite✓ Tested