shell script if regex
You need to remove the quoting in the regex match. if [[ $str} =~ m-.m ]]; then. From the bash man page: [...] An additional binary operator, =~, is available, with ... ,hello I want to do a pattern match for string in the if statement, but I am not sure how to use regex inside the if statement. I am looking for someth | The UNIX and ... , Regular expression in if condition for password checking. The conditions are: ... All this code should be in shell scripting. Please help me., If portability is not a concern, I recommend using [[ instead of [ or test as it is .... GNU bash, version 4.3.11(1)-release (x86_64-pc-linux-gnu)., POSIX shell doesn't have a regular expression operator for UNIX ERE or PCRE. But it does have the case keyword: case "$tmp" in FATAL*) ..., That is, you can define a regex in bash matching the format you .... A good way to test if a string is a correct date is to use the command date:, When using a regular expression, a dot represents a single ... of bash version; also works with plain old sh , on non-Linux platforms etc.), If you wanted to match letters, digits or spaces you could use: [[ $x =~ [0-9a-zA-Z- ] ]] . Other characters similarly need to be escaped, like # , which would start a comment if not quoted. Of course, you can put the pattern into a variable: pat="[, 3 Answers. The portable solution is to use case which supports wildcards (glob wildcards; not actual regular expressions) out if the box. The syntax is slightly freaky, but you get used to it. You can use the following if you want to use regex.
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 shell script if regex 相關參考資料
Using regex inside if clause in bash - Unix & Linux Stack Exchange
You need to remove the quoting in the regex match. if [[ $str} =~ m-.m ]]; then. From the bash man page: [...] An additional binary operator, =~, is available, with ... https://unix.stackexchange.com Regex in if-then-else statement to match strings - UNIX and Linux ...
hello I want to do a pattern match for string in the if statement, but I am not sure how to use regex inside the if statement. I am looking for someth | The UNIX and ... https://www.unix.com Regular expression in shell script if condition doesn't work ...
Regular expression in if condition for password checking. The conditions are: ... All this code should be in shell scripting. Please help me. https://stackoverflow.com How can I match a string with a regex in Bash? - Stack Overflow
If portability is not a concern, I recommend using [[ instead of [ or test as it is .... GNU bash, version 4.3.11(1)-release (x86_64-pc-linux-gnu). https://stackoverflow.com Regex and if in shell script - Stack Overflow
POSIX shell doesn't have a regular expression operator for UNIX ERE or PCRE. But it does have the case keyword: case "$tmp" in FATAL*) ... https://stackoverflow.com Check if a string matches a regex in Bash script - Stack Overflow
That is, you can define a regex in bash matching the format you .... A good way to test if a string is a correct date is to use the command date: https://stackoverflow.com use regular expression in if-condition in bash - Stack Overflow
When using a regular expression, a dot represents a single ... of bash version; also works with plain old sh , on non-Linux platforms etc.) https://stackoverflow.com Regex matching in a Bash if statement - Stack Overflow
If you wanted to match letters, digits or spaces you could use: [[ $x =~ [0-9a-zA-Z- ] ]] . Other characters similarly need to be escaped, like # , which would start a comment if not quoted. Of cours... https://stackoverflow.com Shell Scripting: RegEx in if Statement - Stack Overflow
3 Answers. The portable solution is to use case which supports wildcards (glob wildcards; not actual regular expressions) out if the box. The syntax is slightly freaky, but you get used to it. You ca... https://stackoverflow.com |