Regular Expressions, Text Normalization, Edit Distance

(Assignment-1)

@Copyrights: Natural Language Processing (NLP) Organized by Dr. Ahmad Jalal (http://portals.au.edu.pk/imc/)

How to make RE as disjunction.

therefore; cooking;

How to set RE as range.

Rupee 5 is an old Note;

Write a negation of following.

research methodology;

Insert ? in RE.

patt?ern; previou?s;

How we can implement all below regular expressions in Python?

HINT: For reference; Chapter 3 of [Book: Natural language processing with Python,

Steven Bird] is needed to considered.

Insert * in RE.

be!; Ash!; hi!

Insert + in RE.

ops!; Oray!; Wao!

Insert . in RE.

run; made;

Apply \b over true and false cases of RE at

following senstences.

99 percent efficient.

50 pound currency.

Make RE (Pattern and matches Table) for

( | ) as prefix and suffix.

conform;

ever;

Make RE for Kleen star and parenthesis.

AdmissionID Ab12 AdmissionID Cd34

AdmissionID Ef56;

Apply Greedy and non Greedy enforcement

over.

It’s stated that;

Heavens are in blue sky.

Apply 5 different cases of RE over

following words expression.

he;

most;

Write a regular expression during web

searching.

The cloth must be Rs2999.99 with 5.4 Ht

and 18.5 Wd.

The car has 6498 cc, 770.343Hp,

1525Kg, 0-100km/h: 2.8s

@Copyrights: Natural Language Processing (NLP) Organized by Dr. Ahmad Jalal (http://portals.au.edu.pk/imc/)

Regular Expressions, Text Normalization, Edit Distance

(Assignment-1)

How we can implement all below regular expressions in Python?