// eslint-disable-next-line no-restricted-properties
v = v.normalize();
}
- re = new RegExp( '^\\s*' + v.replace( /([\\{}()|.?*+\-^$\[\]])/g, '\\$1' ), 'i' ); // eslint-disable-line no-useless-escape
+ re = new RegExp( '^\\s*' + mw.RegExp.escape( v ), 'i' );
for ( k in this.values ) {
k = +k;
if ( !isNaN( k ) && re.test( this.values[ k ] ) ) {