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reg->regexp

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This commit is contained in:
Ilya Kantor 2019-09-06 16:50:41 +03:00
parent 4232a53219
commit 32e20fc97c
35 changed files with 132 additions and 132 deletions
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12
9-regular-expressions/11-regexp-groups/article.md
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@ -56,9 +56,9 @@ The email format is: `name@domain`. Any word can be the name, hyphens and dots a
The pattern:
```js run
let reg = /[-.\w]+@([\w-]+\.)+[\w-]+/g;
let regexp = /[-.\w]+@([\w-]+\.)+[\w-]+/g;
alert("my@mail.com @ his@site.com.uk".match(reg)); // my@mail.com, his@site.com.uk
alert("my@mail.com @ his@site.com.uk".match(regexp)); // my@mail.com, his@site.com.uk
```
That regexp is not perfect, but mostly works and helps to fix accidental mistypes. The only truly reliable check for an email can only be done by sending a letter.
@ -110,9 +110,9 @@ In action:
```js run
let str = '<span class="my">';
let reg = /<(([a-z]+)\s*([^>]*))>/;
let regexp = /<(([a-z]+)\s*([^>]*))>/;
let result = str.match(reg);
let result = str.match(regexp);
alert(result[0]); // <span class="my">
alert(result[1]); // span class="my"
alert(result[2]); // span
@ -336,10 +336,10 @@ let str = "Gogogo John!";
*!*
// ?: exludes 'go' from capturing
let reg = /(?:go)+ (\w+)/i;
let regexp = /(?:go)+ (\w+)/i;
*/!*
let result = str.match(reg);
let result = str.match(regexp);
alert( result[0] ); // Gogogo John (full match)
alert( result[1] ); // John