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stdstring.h

C string utils library (STB style, header-only). Features:

String expression evaluator (streval)
String formatters (to heap buffers) (strcpyf*, strcatf*)
String formatters (to temporary buffers) (strf*)
String fuzzy search (strscore, strfuzzy)
String regular expression (strregex [c?^$*])
String 64-bit hashing (both compile-time and runtime) (strhash)
String interning (quarks) (strput, strget)
String matching (strsub, strfindl, strfindr, strbegin, strend, strmatch, streq, streqi)
String splitting (with and without allocations) (strsplit, strchop, strjoin)
String options parsing (stropt, stropti, stroptf)
String trim utils (strdel, strtrimws, strtrimblf/bff, strtrimrlfe/ffe)
String transform utils (strrepl, strremap, strlower, strupper, strrev)
String normalization utils (strnorm)
String conversion utils (strint, strhuman, strrobot)
String unicode utils (strutf8, strutf32, strwiden, strshorten)
Documentation.