Describe the notion of capture in regular expressions. Contrast the philosophies of Perl and Ruby with regard to error checking and reporting. Compare the numeric types of popular scripting languages...

Describe the notion of capture in regular expressions. Contrast the philosophies of Perl and Ruby with regard to error checking and reporting. Compare the numeric types of popular scripting languages to those of compiled languages like C or Fortran. What are bignums? Which languages support them?