'Perl regular expressions' presentation slideshows

Input Validation with Regular Expressions

Input Validation with Regular Expressions. COEN 351. Input Validation. Security Strategies Black List List all things that are NOT allowed List is difficult to create Adding insecure constructs on a continuous basis means that the previous version was unsafe

510 views • 41 slides

Perl for Bioinformatics

Perl for Bioinformatics. Lecture 4. Variables - review. A variable name starts with a $ It contains a number or a text string Use my to define a variable Use = to assign a value Use to stop the variable being interpolated

513 views • 34 slides

Form Validation

Form Validation. What is form validation?. validation: ensuring that form's values are correct some types of validation: preventing blank values (email address) ensuring the type of values integer, real number, currency, phone number, Social Security number, postal

256 views • 24 slides

LING/C SC/PSYC 438/538

LING/C SC/PSYC 438/538. Lecture 11 Sandiway Fong. Administrivia. Homework 3 graded. Last Time. Introduced Regular Languages can be generated by regular expressions or Finite State Automata (FSA) or regular grammars --- not yet introduced Deterministic and non-deterministic FSA

299 views • 23 slides

LING/C SC/PSYC 438/538

296 views • 20 slides

LING 388: Language and Computers

LING 388: Language and Computers. Sandiway Fong Lecture 2: 8/23. Administrivia. Class:. Administrivia. Class:. Administrivia. Did you bring your laptop?. Administrivia. Did you install Perl yet? Active State Perl http://www.activestate.com install free version. Regular Expressions.

290 views • 19 slides

LING/C SC/PSYC 438/538 Computational Linguistics

298 views • 19 slides

Perl

Perl. Programming Language Design and Implementation (4th Edition) by T. Pratt and M. Zelkowitz Prentice Hall, 2001 Section 3.3.3 Appendix A.9. Perl overview. Perl (Practical Extraction and Report Language) is an interpreted language designed for efficient text-processing applications

60 views • 5 slides