Next: Arithmetic, Previous: Diversions, Up: Top [Contents][Index]
There are a number of builtins in m4 for manipulating text in
various ways, extracting substrings, searching, substituting, and so on.
| • Len: | Calculating length of strings | |
| • Index macro: | Searching for substrings | |
| • Regexp: | Searching for regular expressions | |
| • Substr: | Extracting substrings | |
| • Translit: | Translating characters | |
| • Patsubst: | Substituting text by regular expression | |
| • Format: | Formatting strings (printf-like) |