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add unicode flag support to regex

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This commit is contained in:
Sebastian McKenzie 2014-10-19 18:01:34 +11:00
parent d525c45644
commit 0258dafa8a
1 changed files with 5 additions and 1 deletions
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6
acorn.js
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@ -934,7 +934,11 @@
// Need to use `readWord1` because '\uXXXX' sequences are allowed
// here (don't ask).
var mods = readWord1();
if (mods && !/^[gmsiy]*$/.test(mods)) raise(start, "Invalid regular expression flag");
if (mods) {
var validFlags = /^[gmsiy]*$/;
if (options.ecmaVersion >= 6) validFlags = /^[gmsiyu]*$/;
if (!validFlags.test(mods)) raise(start, "Invalid regular expression flag");
}
try {
var value = new RegExp(content, mods);
} catch (e) {