or $c =~ /^\s*\$cust_main\->apply_payments; \$cust_main->apply_credits; "";\s*$/
or $c =~ /^\s*\$cust_main\->charge\( \s*\d*\.?\d*\s*,\s*\'[\w \!\@\#\$\%\&\(\)\-\+\;\:\"\,\.\?\/]*\'\s*\);\s*$/
or $c =~ /^\s*\$cust_main\->apply_payments; \$cust_main->apply_credits; "";\s*$/
or $c =~ /^\s*\$cust_main\->charge\( \s*\d*\.?\d*\s*,\s*\'[\w \!\@\#\$\%\&\(\)\-\+\;\:\"\,\.\?\/]*\'\s*\);\s*$/