DATA(insert OID = 937 ( substring PGNSP PGUID 12 1 0 f f t f i 2 25 "25 23" _null_ _null_ _null_ text_substr_no_len - _null_ _null_ ));
DESCR("return portion of string");
DATA(insert OID = 2087 ( replace PGNSP PGUID 12 1 0 f f t f i 3 25 "25 25 25" _null_ _null_ _null_ replace_text - _null_ _null_ ));
-DESCR("replace all occurrences of old_substr with new_substr in string");
+DESCR("replace all occurrences in string of old_substr with new_substr");
DATA(insert OID = 2284 ( regexp_replace PGNSP PGUID 12 1 0 f f t f i 3 25 "25 25 25" _null_ _null_ _null_ textregexreplace_noopt - _null_ _null_ ));
DESCR("replace text using regexp");
DATA(insert OID = 2285 ( regexp_replace PGNSP PGUID 12 1 0 f f t f i 4 25 "25 25 25 25" _null_ _null_ _null_ textregexreplace - _null_ _null_ ));