Select all text on focus using jQuery
http://stackoverflow.com/q/6124394/154877
CSS
body { color:#222; background:#fafafa; font:13px/1.4 'segoe ui', sans-serif; }
h1, h2 { margin:0 0 .5em; font:700 2.4em/1 'myriad pro', sans-serif; } h2 { color:#999; margin: 1em 0; font-size:1.6em; }
a { color:#06c; transition:.2s linear; -webkit-transition:.2s linear; } a:hover { color:#39f; }
p { margin:1em 0; } footer { color:#999; margin:3em 0 0; text-align:center; } footer a { color:#777; }
#wrap { width:500px; margin:1em auto; padding:1.5em; background:#fff; box-shadow:0 1em 2em rgba(0,0,0,.15); }
JavaScript
lign='age doit être inférieure ou égale à 12V 6.66Amp ou 12V 6.66A'
rech1=/\d+(\.\d+\s?)?A/ig
repl="eee"
lign=lign.replace(rech1,repl)
console.log (lign)