So, you have a long string and you want to check of this string contains a substring in your bash script. There are more than one way to check for substrings in bash shell. I'll show some simple examples first, followed by a cool bash script that uses this concept in a real-world ...
As in the previous method,$stringis the target string that you want to check for the presence of a substring, and$substringis the substring you're searching for. Theechocommand is used to pipe the target string to thegrepcommand, which performs a quiet search for the specified substring. N...
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NSString *string = result; NSString *substring = @"Caddy 2 serving static files on :2015"; if ([string rangeOfString:substring].location != NSNotFound) { NSLog(@"Yes it does contain that substring"); } else if ([string rangeOfString:substring].location == NSNotFound) { NSLog(@"No i...
[英]How to check whether a string contains a substring in JavaScript? Usually I would expect a String.contains() method, but there doesn't seem to be one. 通常我希望使用String.contains()方法,但似乎没有。 What is a reasonable way to check for this? 什么是合理的检查方法? 49 个解决方案...
substring(3)); } catch (DecoderException e) { throw new RuntimeException( String.format("Failed to parse the bytes from the '%s'.", hex), e); } String operator = properties.get(HologresJDBCConfigs.OPTIONAL_CHECK_AND_PUT_OPERATOR); String nullAs = properties.get(HologresJDBCConfigs...
The third form of match string (supported in NHC versions 1.2.2 and later) is node range expressions similar to those used by pdsh, Warewulf, and other open source HPC tools. (Please note that not all expressions supported by other tools will work in NHC due to limitations in bash.) ...
Bash shell检查字符串是否包含子字符串 在Bash中使用字符串时,最常见的操作之一是确定一个字符串是否包含另一个字符串。 分别是使用通配符检查是否包含字符串。使用case运算符,使用正则表达式匹配字符串,使用Grep匹配字符串。 最简单的方法就是在子字符串使用星号*围绕,并与输入的字符串比较。*通配符是用于表示零个,...
检查字符串是否包含子字符串是Bash脚本中最基本且最常用的操作之一。阅读本教程后,您应该对如何测试一个字符串是否包含另一个字符串有很好的了解。 您也可以使用其他命令,例如awk或sed进行测试。如果您有任何问题或反馈,请随时发表评论。 linuxstringsubstring字符串 ...
我在Bash 中有一个字符串: string="My string" 如何测试它是否包含另一个字符串? if[$string??'foo'];thenecho"It's there!"fi 哪里??是我未知的运营商。我使用 echo 和grep吗? ifecho"$string"| grep'foo';thenecho"It's there!"fi