This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== MASK_ALPHA() :STRING ====== Returns a valid character mask for input statements of //A// through //Z// and //a// through //z// --- **See also:** [[ppl:functions:mask_alnum|Mask_Alnum]], [[ppl:functions:mask_ascii|Mask_Ascii]], [[ppl:functions:mask_file|Mask_File]], [[ppl:functions:mask_num|Mask_Num]], [[ppl:functions:mask_path|Mask_Path]], [[ppl:functions:mask_pwd|Mask_Pwd]]