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| // return masked string | |
| function maskify(cc) { | |
| return cc.replace(/.(?=.{4})/g, "#"); | |
| } | |
| // or | |
| function maskify(cc) { | |
| return cc.replace(/.(?=....)/g, '#'); | |
| } | |
| // or | |
| function maskify(cc) { | |
| return cc.slice(0, -4).replace(/./g, '#') + cc.slice(-4); | |
| } |
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