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This article mainly introduces the use of jsreplace function parameters, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand it.

Replace is a function in Python, VB, ASP, Windows, SQL and Excel, all of which perform replacement operations. In addition, replace means takeonesposition in English.

Jsreplace introduction

Replace is a function in VB, ASP, Windows, SQL, and Excel, all of which perform replacement operations.

Replace () is a common object method of Python.

Method function editing

Replaces a specified character in a string

Syntax sample editing

> axiomatic abc'

> a.replace ('axioma`)

'Abc'

Note:

The replace () method cannot change the original string, the replacement string is a new string created in memory, and the original variable pointer is not changed.

Example:

> axiomatic abc'

> b=a.replace ('axioma`)

> > b

'Abc'

> > a

'abc'

VB and VBS editors

Introduction

This function returns a string in which the specified string has been replaced with another string, and the number of replacements can be specified.

Grammar.

Replace (Expression,Find,ReplaceWith [, Start] [, Count] [, Compare])

Parameters of jsreplace function

Parameters.

Description

Expression

Necessary. String expression, the string that will perform the replace operation.

Find

Necessary. String expression, the string to search for.

ReplaceWith

Necessary. A string expression that is used to replace a string.

Start

Optional. A numeric expression that determines the start of the search from the beginning of Expression to the number of endings, with a default value of 1.

Count

Optional. A numeric expression that limits the number of replacements, and the default value is-1, that is, all substitutions are made.

Compare

Optional. A numeric expression that determines how substrings are compared. The specific setting values are shown in the "Compare Parameter setting values" table below.

Compare parameter setting value

Constant

Value

Description

VbUseCompareOption

-1

Use the setting value of the OptionCompare statement to perform the comparison.

VbBinaryCompare

0

Perform a binary comparison.

VbTextCompare

one

Perform a text comparison.

VbDatabaseCompare

two

For MicrosoftAccess only. Perform comparisons based on information from the database.

Return value

The return value of Replace function

Situation

Return value

The length of Expression is 0

Zero length string.

Expression is Null

A mistake.

The length of Find is 0

The content of Expression.

The length of ReplaceWith is 0

The Expression content of the Find string has been removed.

Start is greater than the length of Expression

Zero length string.

Count is 0

The content of Expression

Other (normal)

Replace the Find string with the Expression content of the ReplaceWith string.

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