function Parser(a){this.text=a;this.setText=setText;this.replaceOne=replaceOne;this.replaceAll=replaceAll;this.extract=extract}function setText(a){this.text=a}function replaceAll(c,a){var d=-1;var b=-1;while((d=this.text.indexOf(c,b))>=0){this.text=this.text.substring(0,d)+a+this.text.substring(d+c.length,this.text.length);b=d+a.length}}function replaceOne(b,a){var c=this.text.indexOf(b);if(c>=0){this.text=this.text.substring(0,c)+a+this.text.substring(c+b.length,this.text.length)}}function extract(f,d,a){var c="";var b=this.text.indexOf(f);if(b>=0){var e=this.text.indexOf(d,b+f.length);if(e>=0){c=this.text.substring(b+f.length,e);if(a){this.text=this.text.substring(0,b)+this.text.substring(e+d.length,this.text.length)}}}return c};