src/ljstype.js: Add lisprint

1 files changed, 5 insertions, 0 deletions

diff --git a/src/ljstype.js b/src/ljstype.js
index 424140e..2528f74 100644
--- a/src/ljstype.js
+++ b/src/ljstype.js
@@ -8,6 +8,10 @@ const lisxdigit = function(c) {
     return /^[0-9a-fA-F]$/.test(String.fromCharCode(c));
 };
 
+const lisprint = function(c) {
+    return /^[\x20-\x7E]$/.test(String.fromCharCode(c));
+};
+
 const lisspace = function(c) {
     return /^\s$/.test(String.fromCharCode(c));
 };
@@ -23,5 +27,6 @@ const lislalnum = function(c) {
 module.exports.lisdigit   = lisdigit;
 module.exports.lislalnum  = lislalnum;
 module.exports.lislalpha  = lislalpha;
+module.exports.lisprint   = lisprint;
 module.exports.lisspace   = lisspace;
 module.exports.lisxdigit  = lisxdigit;