Documentation

erase

Delete substrings within strings

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Syntax

newStr = erase(str,match)

Description

example

newStr = erase(str,match)deletes all occurrences ofmatchinstr. Theerasefunction returns the rest of the string asnewStr.

Ifmatchis a string array or a cell array of character vectors, thenerasedeletes every occurrence of every element ofmatchinstr. Thestrandmatcharguments do not need to be the same size.

Examples

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Open Live Script

创建一个字符串数组和德尔ete substrings from it. Starting in R2017a, you can create strings using double quotes instead of thestringfunction.

str = ["the quick brown fox jumps";"over the lazy dog"]
str =2x1 string array"the quick brown fox jumps" "over the lazy dog"

Delete the substring"the "fromstr. Theerasefunction deletes both instances.

newStr = erase(str,"the ")
newStr =2x1 string array"quick brown fox jumps" "over lazy dog"

Delete multiple substrings fromstr.

match = ["the ","quick ","lazy "]; newStr = erase(str,match)
newStr =2x1 string array"brown fox jumps" "over dog"
Open Live Script

Create a character vector. Delete the substring,' World', including the space character.

chr ='Hello World'
chr = 'Hello World'
newChr = erase(chr,' World')
newChr = 'Hello'

Input Arguments

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Input text, specified as a string array, a character vector, or a cell array of character vectors.

Text to delete, specified as a string array, a character vector, or a cell array of character vectors.

Tips

  • To delete multiple occurrences of a match when the occurrences overlap, use thestrrepfunction.eraseonly deletes the first occurrence when occurrences overlap.

Extended Capabilities

See Also

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Topics

Introduced in R2016b

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