Search results for "expressions"

Php regular expressions for newbies

Regular expressions are a strong and flexible way to define string patterns. An usual string belongs to a pattern when it has a certain structure. For example if we want all the strings that begin with two letters and end with six digits we can write the pattern using a regex like in the example below: ^[A-Z]{2}[0-9]{6}$ This is all we have to know. ...

Regular Expression Matching in XSLT 2

Most developers who have worked with Perl, awk, or other utilities with a strong heritage in Unix text processing have learned to love regular expressions because of the flexibility they give you to describe which text you want to manipulate. While nearly any programming language (or for that matter, any word processor or spreadsheet) lets you search for a ...