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corrected typos (#6)

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Chandan Rai 2017-07-26 05:58:57 +05:30 committed by Zeeshan Ahmed
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@ -19,7 +19,7 @@ We use the following regular expression to validate a username:
<img src="https://i.imgur.com/UrDb9qc.png" alt="Regular expression">
</p>
Above regular expression can accepts the strings `john_doe`, `jo-hn\_doe` and `john12\_as`. It does not match `Jo` because that string
Above regular expression can accept the strings `john_doe`, `jo-hn\_doe` and `john12\_as`. It does not match `Jo` because that string
contains uppercase letter and also it is too short.
## Table of Contents
@ -232,7 +232,7 @@ expression `[f|c|m]at\.?` means: lowercase letter `f`, `c` or `m`, followed by l
## 2.8 Anchors
In regular expression to check if the matching symbol is the starting symbol or endnig symbol of the input string for this purpose
In regular expression to check if the matching symbol is the starting symbol or ending symbol of the input string for this purpose
we use anchors. Anchors are of two types: First type is Caret `^` that check if the matching character is the start character of the
input and the second type is Dollar `$` that checks if matching character is the last character of the input string.
@ -342,7 +342,7 @@ are after not after the word `The` or `the`.
## 5. Flags
Flags are also called modifiers because they modifies the output of a regular expression. These flags can be used in any order or
Flags are also called modifiers because they modify the output of a regular expression. These flags can be used in any order or
combination, and are an integral part of the RegExp.
|Flag|Description|
@ -387,9 +387,9 @@ string.
### 5.3 Multiline
The `m` modifier is used to perform a multi line match. As we discussed earlier anchors `(^, $)` are used to check if pattern is
the beginning of the input or end fo the input string. But if we want that anchors works on each line we use `m` flag. For example the
the beginning of the input or end of the input string. But if we want that anchors works on each line we use `m` flag. For example the
regular expression `/at(.)?$/gm` means: lowercase character `a`, followed by lowercase character `t`, optionally anything except new
line. And beacause of `m` flag now regular expression engine matches pattern at the end of each line in a string.
line. And because of `m` flag now regular expression engine matches pattern at the end of each line in a string.
<pre>
"/.at(.)?$/" => The fat