Regular Expression Perl

  1. Home
  2. Perl
  3. Regular Expression
  4. Check for leading alpha character, rest alphanumeric
#!/usr/bin/perl -w
foreach $patt (@ARGV) {
    # Check for leading alpha character, rest alphanumeric.
    if ($patt =~ /^[a-zA-Z]+[_0-9a-zA-Z]*$/) {
        print "\tLeading alpha, then alphanumeric in \"$patt\".\n";
    }
}