6. Pattern Matching


Copying and Substituting Simultaneously

Matching Letters

Matching Words

Commenting Regular Expressions

Finding the Nth Occurrence of a Match

Matching Multiple Lines

Reading Records with a Pattern Separator

Extracting a Range of Lines

Matching Shell Globs as Regular Expressions

Speeding Up Interpolated Matches

Testing for a Valid Pattern

Honoring Locale Settings in Regular Expressions

Approximate Matching

Matching from Where the Last Pattern Left Off

Greedy and Non-Greedy Matches

Detecting Duplicate Words

Expressing AND, OR, and NOT in a Single Pattern

Matching Multiple-Byte Characters

Matching a Valid Mail Address

Matching Abbreviations

Program: urlify

Program: tcgrep

Regular Expression Grabbag