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!function(n){n.fn.alphanumeric=function(r){var a,e,c=n(this),t="abcdefghijklmnopqrstuvwxyz",i=n.extend({ichars:"!@#$%^&*()+=[]\\';,/{}|\":<>?~`.- _",nchars:"",allow:""},r),h=i.allow.split(""),l=0;for(l;l<h.length;l++)-1!=i.ichars.indexOf(h[l])&&(h[l]="\\"+h[l]);return i.nocaps&&(i.nchars+=t.toUpperCase()),i.allcaps&&(i.nchars+=t),i.allow=h.join("|"),e=new RegExp(i.allow,"gi"),a=(i.ichars+i.nchars).replace(e,""),c.keypress(function(n){var r=String.fromCharCode(n.charCode?n.charCode:n.which);-1==a.indexOf(r)||n.ctrlKey||n.preventDefault()}),c.blur(function(){var n=c.val(),r=0;for(r;r<n.length;r++)if(-1!=a.indexOf(n[r]))return c.val(""),!1;return!1}),c},n.fn.numeric=function(r){var a="abcdefghijklmnopqrstuvwxyz",e=a.toUpperCase();return this.each(function(){n(this).alphanumeric(n.extend({nchars:a+e},r))})},n.fn.alpha=function(r){var a="1234567890";return this.each(function(){n(this).alphanumeric(n.extend({nchars:a},r))})}}(jQuery);