small fixes

column.go

@@ -4,7 +4,7 @@ import (
 	"regexp"
 )
 
-var columnRegexp = regexp.MustCompile("^([^ ]+)( as ([^ ]+))?$")
+var columnRegexp = regexp.MustCompile("^(.+)( as ([A-Za-z0-9_]+))?$")
 
 type Column string
 

table.go

@@ -7,9 +7,9 @@ import (
 )
 
 var (
-	insertTableRegexp = regexp.MustCompile("^into ([^ ]+)( (as) ([^ ]+))?$")
-	selectTableRegexp = regexp.MustCompile("^(from|left join|inner join|right join) ([^ ]+)( (as) ([^ ]+))?( (on) ([^ ]+) (=|!=|>|>=|<|<=) ([^ ]+)( (and) ([^ ]+) (=|!=|>|>=|<|<=) ([^ ]+))*)?$")
-	updateTableRegexp = regexp.MustCompile("^([^ ]+)( (as) ([^ ]+))?$")
+	insertTableRegexp = regexp.MustCompile("^into ([A-Za-z0-9_]+)( (as) ([A-Za-z0-9_]+))?$")
+	selectTableRegexp = regexp.MustCompile("^(from|left join|inner join|right join) ([A-Za-z0-9_]+)( (as) ([A-Za-z0-9_]+))?( (on) ([^ ]+) (=|!=|>|>=|<|<=) ([^ ]+)( (and) ([^ ]+) (=|!=|>|>=|<|<=) ([^ ]+))*)?$")
+	updateTableRegexp = regexp.MustCompile("^(.+)( (as) ([A-Za-z0-9_]+))?$")
 )
 
 type InsertTable string
@@ -125,14 +125,14 @@ func RightJoin(def string) SelectTable {
 type UpdateTable string
 
 func (t UpdateTable) IsValid() bool {
-	return insertTableRegexp.MatchString(string(t))
+	return updateTableRegexp.MatchString(string(t))
 }
 
 func (t UpdateTable) Parse() (table, as string, ok bool) {
 	if insertTableRegexp.MatchString(string(t)) {
 		ok = true
 
-		result := insertTableRegexp.FindAllStringSubmatch(string(t), -1)
+		result := updateTableRegexp.FindAllStringSubmatch(string(t), -1)
 
 		for _, r := range result {
 			table = r[1]

where.go

@@ -2,7 +2,7 @@ package sqimple
 
 import "regexp"
 
-var whereRegexp = regexp.MustCompile("^((and|or) )?([^ ]+) (=|!=|>|>=|<|<=) ([^ ]+)?$")
+var whereRegexp = regexp.MustCompile("^((and|or) )?(.+) (=|!=|>|>=|<|<=) (.+)?$")
 
 type Where string