## page was renamed from utils.f90
=== The module utils ===

|| '''Routine''' || '''Function''' ||
|| lowercase   || Convert string to lowercase||
|| uppercase   || Convert string to uppercase||
|| delete_control_chars|| Delete control characters in string: All not printable ASCII characters (1-31 and 127) will be removed.||
|| isnumber    || Checks if string contains an integer value.||
|| n_numbers   || Checks if string consists of n integer values.||
|| bubble_sort || This subroutine sorts the elements of x by size.||
|| bubble_sort_index || This subroutine returns an index array of the order of elements in array x ||
|| quick_sort     || This subroutine sorts the elements of x by size.||
|| quick_sort_index || This subroutine returns an index array of the order of elements in array x ||