=head1 NAME

CommonsLang - Commonly used functions for Perl language

=head1 SYNOPSIS
use CommonsLang;

print s_pad("a", 5, "0") . "\n";
# > "a0000"

print s_left("abc", 1) . "\n";
# > "a"

print s_right("abc", 1) . "\n";
# > "c"

print s_starts_with("abc", "ab") . "\n";
# > 1

print s_ends_with("abc", "bc") . "\n";
# > 1

=head1 DESCRIPTION

Commonly used functions for Perl language

=head1 AUTHOR

YUPEN 12/23/24 - new

=cut