BOUND BOUND, no ; Match "" at any word boundary using native charset semantics for non-utf8
BOUNDL BOUND, no ; Match "" at any locale word boundary
BOUNDU BOUND, no ; Match "" at any word boundary using Unicode semantics
+BOUNDA BOUND, no ; Match "" at any word boundary using ASCII semantics
+# All NBOUND nodes are required by a line regexec.c to be greater than all BOUND ones
NBOUND NBOUND, no ; Match "" at any word non-boundary using native charset semantics for non-utf8
NBOUNDL NBOUND, no ; Match "" at any locale word non-boundary
NBOUNDU NBOUND, no ; Match "" at any word non-boundary using Unicode semantics
+NBOUNDA NBOUND, no ; Match "" at any word non-boundary using ASCII semantics
GPOS GPOS, no ; Matches where last m//g left off.
#* [Special] alternatives:
ALNUM ALNUM, no 0 S ; Match any alphanumeric character using native charset semantics for non-utf8
ALNUML ALNUM, no 0 S ; Match any alphanumeric char in locale
ALNUMU ALNUM, no 0 S ; Match any alphanumeric char using Unicode semantics
+ALNUMA ALNUM, no 0 S ; Match [A-Za-z_0-9]
NALNUM NALNUM, no 0 S ; Match any non-alphanumeric character using native charset semantics for non-utf8
NALNUML NALNUM, no 0 S ; Match any non-alphanumeric char in locale
NALNUMU NALNUM, no 0 S ; Match any non-alphanumeric char using Unicode semantics
+NALNUMA NALNUM, no 0 S ; Match [^A-Za-z_0-9]
SPACE SPACE, no 0 S ; Match any whitespace character using native charset semantics for non-utf8
SPACEL SPACE, no 0 S ; Match any whitespace char in locale
SPACEU SPACE, no 0 S ; Match any whitespace char using Unicode semantics
+SPACEA SPACE, no 0 S ; Match [ \t\n\f\r]
NSPACE NSPACE, no 0 S ; Match any non-whitespace character using native charset semantics for non-utf8
NSPACEL NSPACE, no 0 S ; Match any non-whitespace char in locale
NSPACEU NSPACE, no 0 S ; Match any non-whitespace char using Unicode semantics
+NSPACEA NSPACE, no 0 S ; Match [^ \t\n\f\r]
DIGIT DIGIT, no 0 S ; Match any numeric character using native charset semantics for non-utf8
DIGITL DIGIT, no 0 S ; Match any numeric character in locale
-DIGITU DIGIT, no 0 S ; Match any numeric character using Unicode semantics
+DIGITA DIGIT, no 0 S ; Match [0-9]
NDIGIT NDIGIT, no 0 S ; Match any non-numeric character using native charset semantics for non-utf8
NDIGITL NDIGIT, no 0 S ; Match any non-numeric character in locale
-NDIGITU NDIGIT, no 0 S ; Match any non-numeric character using Unicode semantics
+NDIGITA NDIGIT, no 0 S ; Match [^0-9]
CLUMP CLUMP, no 0 V ; Match any extended grapheme cluster sequence
#* Alternation