etextools – e-TeX tools for LaTeX users and package writers

The pack­age pro­vides many (purely ex­pand­able) tools for LaTeX: – Ex­ten­sive list man­age­ment (csv lists, lists of sin­gle to­kens/char­ac­ters, etool­box lists); – purely ex­pand­able loops (csvloop, forcsvloop, etc.); • con­ver­sion (csv­tolist, etc.)); • ad­di­tion/dele­tion (csvadd, list­del, etc.); – Ex­pan­sion and group con­trol: \ex­pand­next, \Ex­pandAfterCmds, \AfterGroup…; – Tests on to­kens, char­ac­ters and con­trol se­quences (\if­firstchar, \ifiscs, \ifde­f­count, \@ifchar…); – Tests on strings (\if­str­num, \ifup­per­case, \De­clareStringFil­ter…); – Purely ex­pand­able macros with op­tions (\FE@testopt, \FE@if­s­tar) or mod­i­fiers (\FE@mod­i­fiers); – Some purely ex­pand­able nu­mer­ics (\in­ter­val, \locin­ter­plin).
The pack­age is de­pen­dent on the etex and the etool­box pack­ages.