- commands: (p)rint, (d)elete, (s)ubstitue (with g & I flags)
- edit commands: (a)ppend, (i)nsert, (c)hange
- file commands: (r)ead
- - backreferences in substitution expressions (\1, \2...\9)
+ - backreferences in substitution expressions (\0, \1, \2...\9)
- grouped commands: {cmd1;cmd2}
- transliteration (y/source-chars/dest-chars/)
- pattern space hold space storing / swapping (g, h, x)
/* go through the replacement string */
for (i = 0; replace[i]; i++) {
/* if we find a backreference (\1, \2, etc.) print the backref'ed * text */
- if (replace[i] == '\\' && replace[i+1]>'0' && replace[i+1]<='9') {
+ if (replace[i] == '\\' && replace[i+1]>='0' && replace[i+1]<='9') {
int backref=replace[++i]-'0';
/* print out the text held in regmatch[backref] */