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wildcard.html
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wildcard.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
</body>
<script>
function find(source, pattern) {
let startCount = 0
for (let p = 0; p < pattern.length; p ++) {
if (pattern[p] === "*") {
startCount ++
}
}
if (startCount === 0) {
if (source.length !== pattern.length) {
return false
}
for (let i = 0; i < pattern.length; i ++) {
if (source[i] !== pattern[i] && pattern[i] !== "?") {
return false
}
}
return true
}
let i = 0
let lastIndex = 0
for (; pattern[i] !== '*'; i ++) {
if (source[i] !== pattern[i] && pattern[i] !== '?') {
return false
}
}
lastIndex = i
for (let s = 0; s < startCount - 1; s ++) {
i ++;
let subPattern = ''
while(pattern[i] !== '*') {
subPattern += pattern[i]
i ++
}
let reg = new RegExp(subPattern.replace(/\?/g, '[\\s\\S]'))
reg.lastIndex = lastIndex
reg.exec(source)
lastIndex = reg.lastIndex
}
for (let p = 0; p <= source.length - lastIndex && pattern[pattern.length - p] !== '*'; p ++) {
if (source[source.length - p] !== pattern[pattern.length - p] && pattern[source.length - p] !== '?') {
return false
}
}
return true
}
</script>
</html>