Text Processing

Regular Expressions (RE) aka ‘Pattern Matching’

Note: Incomplete - Information might be wrong at some places. I did copy paste from some old file I wrote years back while learning regular expressions.

(C) Prashant N Mhatre

The discussion doesn’t come anywhere close to explain all of the flavors of regular expressions but we’ll hit on the high points. I feel it’s worth investing some time to practice REs. You’ll be amazed to see it’s use and results in different programs/tools.

(Search, Find and Replace, Delete, Extract Particular Fields, Parsing, String Comparisons etc)

Compiler language grammar

I haven’t concentrated on theoretical aspects like lazy qualifier…etc.

Just practical examples. No matter what’s your role is, I feel you MUST understand and use REs to reduce

Parsing, Text Processing, Regular Expressions

Unix Text Processing Unix Text Editing

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Unix, Text Processing, Regular Expressions