nl_tokens: Return a valid escaped regular expression from a pattern . A pattern should respect the following structure : [ filter : name? ] .
pl_tokens: function getValidRegex ( pattern ) { var escaped = ( 0 , _escapeRegexp2 . default ) ( pattern ) ; var _iteratorNormalCompletion = true ; var _didIteratorError = false ; var _iteratorError = undefined ; try { for ( var _iterator = filters [ Symbol . iterator ] ( ) , _step ; ! ( _iteratorNormalCompletion = ( _step = _iterator . next ( ) ) . done ) ; _iteratorNormalCompletion = true ) { var data = _step . value ; var rxp = new RegExp ( "\\\\\\[" + data [ 0 ] + "\\\\:[A-Za-z]{0,}?\\\\]" , "g" ) ; if ( rxp . exec ( escaped ) ) { escaped = escaped . replace ( rxp , data [ 1 ] ) ; } } } catch ( err ) { _didIteratorError = true ; _iteratorError = err ; } finally { <mask> { if ( ! _iteratorNormalCompletion && _iterator . return ) { _iterator . return ( ) ; } } finally { if ( _didIteratorError ) { throw _iteratorError ; } } } return new RegExp ( "^" + escaped + "$" , "g" ) ; }