Posts tagged 'regular expressions'
Get string between parentheses or brackets
We can easily get the string between parentheses or brackets using regular expression. This regular expression can be applied in any programming language / scripts like php, javascript,java,perl,python,c#,asp etc.
Call function from string in javascript without eval
Lets say, we grabed a function call from somewhere and have it in a variable, Simply match the function name and parameters separately using regular expression and call the function using window object.
Regex check minimum and maximum length
Using Regular expression( Regex ), We can check whether the given string has minimum no. of characters or whether it is inside specified range etc.
Replace string in javascript
Generally, "replace" method in java script replaces only the first occurrence in the given string. We can change this behaviour by using regular expression.
Remove non printable characters in string - php
We can remove non printable characters in string by using preg_replace function in php, It's quite simple.
Matching a string containing two or more dots with regular expression
We sometimes need to filter strings which contains two or more dots, Regular expression is straight forward way to do this task. Lets see how it can be done.