expr
Verified for current stable LTS
Expr Commands
Expr command syntax with verified terminal examples.
Commands
12 commands for Expr
expr Operations
Expr Command: Calculate Mathematical Expression
expr <expression1> <+|-|*|/|%> <expression2> expr HTTP
Expr Command: Get First Char Position In String
expr index "<string>" "<chars>" expr HTTP
Expr Command: Get First Expression If Both Non Zero
expr <expression1> \& <expression2> expr HTTP
Expr Command: Get First Expression If Non Zero
expr <expression1> \| <expression2> expr HTTP
Expr Command: Get First Non Zero Expression
expr <expression1> \| <expression2> expr HTTP
Expr Command: Get First Non Zero Expression And Zero If Both Null
expr <expression1> \& <expression2> expr HTTP
Expr Command: Get Index Of Chars
expr index "<string>" "<chars>" expr HTTP
Expr Command: Get String Length
expr length "<string>" expr HTTP
Expr Command: Get String Substring
expr substr "<string>" <from> <length> expr HTTP
Expr Command: Get Substring By Length
expr substr "<string>" <from> <length> expr Search
Expr Command: Match Substring Against Pattern
expr match "<string>" '<pattern>' expr Search
Expr Command: Match Substring Pattern
expr match "<string>" '<pattern>' Suggest a Expr Command
Submit missing workflows, corrections, or verified alternatives for this tool.
FAQ
Coverage: Focused examples for common Expr workflows.
Verified version: current stable LTS.
Verification: Test commands in a disposable workspace and submit notes for edge cases.